Visit the TickCentral Website! A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z Click Here to Return to the Main Page Danburite This is very clear crystal that powerfully radiates a bright, pure, white light. This stone is a very good for cleansing, purifying, or debriefing. it fills the Crown Chakra with joy and illumination while it to bring truth, honesty, and a smile to the heart and spirit. Strengthens mind, nervous system, life force, and general awareness. It is an excellent healing tool. Luster is vitreous. Transparency: Crystals are transparent to translucent. Crystal System is orthorhombic; 2/m 2/m 2/m Crystal Habits include generally prismatic crystals with a diamond-shaped cross-section. The termination is a steeply slanted dome producing a wedge look. Crystals can be rather thin to almost acicular or up to a foot long and several inches across. Cleavage is poor in one direction, basal. Fracture is uneven to conchoidal. Specific Gravity is approximately 3.0 (average) Streak is white or colorless. Associated Minerals are quartz, feldspars, cassiterite, dolomite, corundum variety ruby, and fluorite. Notable Occurrences include Danbury, Connecticut and Russell, New York, USA; Charcas, San Luis Potosi, Mexico; Kyushu Is., Japan; Mogok, Burma and Uri, Switzerland. Best Field Indicators are crystal habit, poor cleavage, hardness and associations. Colors: almost always clear or white, but also can be shades of yellow, pink and brown hardness: 7 to 7.5 Datolite Luster is vitreous to greasy. Transparency: Crystals are transparent to translucent. Crystal System: Monoclinic; 2/m Crystal Habits include short prismatic to wedge shaped tabular crystals with complex and richly faceted terminations. Also in porcelain-like masses that form nodules. Aggregates can be fibrous or granular. Cleavage is absent. Fracture is conchoidal to uneven. Specific Gravity is 2.8 - 3.0 Streak is white. Associated Minerals are prehnite, danburite, babingtonite, epidote, copper, calcite, quartz and zeolites. Notable Occurances include Russia; Lake Superior region of Michigan and Paterson, New Jersey, USA; Bancroft, Ontario, Canada; Charcas, Mexico; Schwarzwald, Germany and Norway. Best Field Indicators are crystal habit, absence of cleavage, hardness and color. Colors: white, colorless, yellowish, reddish, gray, brown and green Hardness: 5 to 5.5 Greenish. Builds clarity of thought, concentration, improved study skills, flow of ideas, mature thought. Descloizite Luster is greasy. Transparency: Crystals are transparent to opaque. Crystal System is orthorhombic; 2/m2/m2/m Crystal Habit is typically in small, flat platelets that have a rounded triangular shape or in a pyramidal form, also in tiny druzy crusts and stalactitic masses. Cleavage is none. Fracture is conchoidal to uneven. Specific Gravity is approximately 6.2 (very heavy for translucent minerals) Streak is brownish red to orange to yellow. Associated Minerals are wulfenite, vanadinite, mottramite, pyromorphite, and cerussite. Other Characteristics: Some crystals can appear arrowhead shaped. Notable Occurrences include Tsumeb, Nambia; Zambia; Germany; Pinal County, Arizona, and Grant County, New Mexico; U.S.A. Best Field Indicators are color, crystal habit, localities and density Colors: typically brown to reddish brown to black also yellow to orange with increase in copper content Hardness: 3 to 3.5 Diabase Makes one more potent, forceful, powerful, effectual, capable and strong. Its dynamic energy lends intensity to all who keep it near. Diaboleite Luster is adamantine. Transparency: Crystals are usually translucent to transparent. Crystal System is tetragonal; bar 4 2/m Crystal Habits include granular crystals and encrustations. Cleavage is perfect. Fracture is conchoidal. Specific Gravity is 5.4 - 5.5 (very heavy for translucent minerals) Streak is blue. Associated Minerals include other copper and lead minerals such as boleite, linarite, anglesite, wulfenite, phosgenite and cerussite. Notable Occurrences are limited to the Mammoth-St. Anthony and Rowley Mines of Arizona, USA and the type locality of Higher Pitts Mine, Mendip Hills, Somerset, England. Best Field Indicators are color, density, fracture, streak and locality Colors: sky blue to dark blue Hardness: 2.5 Diamond The projective powers of the diamond are intense. It is protective and brings courage and peace. It is the stone of April. Diamonds have a unique relationship with energy and they are often combined with other gems or crystals. If worn or carried, a diamond will amplify the energy of the wearer. Emeralds and Amethyst Quartz are especially amplified by Diamonds. Diamonds powerfully absorb and amplify the thoughts, emotions, and attitudes of the user/wearer. When used with loving, clear intent, it clears blockages, opens the Crown Chakra and promotes spiritual love, peace, clarity, trust, and confidence. Diamonds attracts abundance! Be sure to cleanse diamonds thoroughly and often. Luster is adamantine to waxy. Transparency crystals are transparent to translucent in rough crystals. Crystal System is isometric; 4/m bar 3 2/m Crystal Habits include isometric forms such as cubes and octahedrons, twinning is also seen. Specific Gravity is 3.5 (above average) Cleavage is perfect in 4 directions forming octahedrons. Fracture is conchoidal. Streak is white. Associated Minerals are limited to those found in kimberlite rock, an ultramafic igneous rock composed mostly of olivine. Other Characteristics: refractive index is 2.4 ( very high), dispersion is 0.044, fluorescent. Notable Occurrences include South Africa and other localities throughout Africa, India, Brazil, Russia, Australia, and Arkansas. Best Field Indicator is extreme hardness. Colors: yellow, pink, blue, green, orange, black, colorless (technically, over 300 distinct colors have been identified) Hardness: 10 (the hardest of all stones) Digenite Luster is submetallic. Transparency crystals are opaque. Crystal System is isometric. Crystal Habits are limited to mostly massive and granular components of massive sulfide rocks, but a few localities have produced good crystals. Specific Gravity is approximately 5.6 (above average for metallic minerals) Associated Minerals include pyrite, chalcocite, bornite and chalcopyrite. Notable Occurrences include many mines around the world that contain copper sulfides such as in Sweden; Australia; South-West Africa and several copper mines in Arizona, Butte Montana and Kennecott, Alaska, USA. Best Field Indicators are color, associations, softness and density. Colors: blue or black Hardness: 2.5 to 3 Diopside, Blackstar Black Star Diopside is a stone that is black-green to black. It is a very creative stone and can bring creativity to the bearer. It can also help with analysis and logic and as an assists in learning. It is also said to be related to love, commitment, and the inner heart. It is traditionally said to be helpful for healing trauma, partly by bringing cleansing tears. Sometimes it is called the "crying stone." It can help get in touch with the feminine side, which can help heal aggression and stubbornness. Physically it's used to heal the heart, lungs, circulation, weakness, and psychological disorders. Luster is vitreous. Transparency crystals are transparent to translucent. Crystal System is monoclinic; 2/m Crystal Habits include short prismatic, rarely tabular crystals. The square cross section is distinctive in the prismatic crystals. Also compact, granular, columnar and massive. Cleavage is perfect in two lengthwise directions at close to right angles and a basal parting direction is sometimes seen. Fracture is uneven, even rough. Specific Gravity is approximately 3.3 (slightly above average) Streak is white. Other Characteristics: Some specimens have been known to fluoresce and some specimens have inclusions that can form "cat's eyes" if polished in cabachon. Associated Minerals are grossular, andradite, fluorite, dolomite, chlorite, vesuvianite, phlogopite, actinolite, olivine, iron meteorites and calcite. Notable Occurrences include St. Lawrence Co., New York, USA; Ural Mountains, Russia; Mt. Vesuvius and other locallities in Italy; Austria; Germany; Sri Lanka; Brazil; Mogok, Burma; Madagascar; Kimberly, South Africa and Outokumpu, Finland. Best Field Indicators are crystal habit, associations, color, fracture and cleavage. Colors: green, bluish, black, with star shaped Hardness: 5 to 6 Diopsite Increases Self Esteem. Dioptase Green. Relieves mental stress and promotes prosperity, relaxation, meditation, love and emotional expressiveness. Is said to be healing of body and mind. Luster is vitreous. Transparency crystals are transparent to translucent. Crystal System is trigonal; bar 3 (Dioptase is one of the few rhombic silicates). Crystal Habits include stubby crystals that are usually well formed prisms topped with the three faces of a rhombohedon. Prisms are six sided and usually not very long. Simple rhombohedrons are also common, at times a second rhombohedron will modify the primary rhombohedron faces producing a second set of three smaller faces. Crusts and massive forms are also seen. Cleavage is perfect in three directions forming rhombohedrons. Fracture is conchoidal and brittle. Specific Gravity is approximately 3.3+ (slightly above average) Streak is green. Associated Minerals are dolomite, calcite, cerussite, limonite, chrysocolla and other copper minerals. Other Characteristics: index of refraction is 1.65 - 1.71. Notable Occurrences include Tsumeb, Nambia; Zaire; Russia; California and Arizona, USA and Chile. Best Field Indicators are crystal habit, deep color and hardness. Colors: dark green, transparent Hardness: 5 Dolomite Dolomite is a gentle stone that encourages charitable actions, generosity, and giving in general. It also encourages energetic thinking, original thinking, spontaneity, creativity, and manifestation. It can help develop stamina for dealing with hyperactive people. It is also used to stop energy leaks from the chakras, and to balance and align the chakras. It stabilizes human and mineral energies, and can balance the energetic atmosphere of an environment. It is a particularly good stone for relieving sorrow, and soothing hurt, loneliness, and anxiety. Pink dolomite works well in the treatment of insomnia. Luster is pearly to vitreous to dull. Transparency crystals are transparent to translucent. Crystal System is trigonal; bar 3 Crystal Habits include saddle shaped rhombohedral twins and simple rhombs some with slightly curved faces, also prismatic, massive, granular and rock forming. Never found in scalenohedrons. Cleavage is perfect in three directions forming rhombohedrons. Fracture is conchoidal. Specific Gravity is 2.86 (average) Streak is white. Other Characteristics: Unlike calcite, effervesces weakly with warm acid or when first powdered with cold HCl. Associated Minerals: include calcite, sulfide ore minerals, fluorite, barite, quartz and occasionally with gold. Notable Occurrences include many localities throughout the world, but well known from sites in Midwestern quarries of the USA; Ontario, Canada; Switzerland; Pamplona, Spain and in Mexico. Best Field Indicators are typical pink color, crystal habit, hardness, slow reaction to acid, density and luster. Colors: brown to red with dark layers; also white, yellowish to transparent; sugar dolomite is white dolomite with gold colored inclusions of pyrites. Hardness: 5 to 6 Domeykite Luster is metallic. Transparency: Crystals are opaque. Crystal System: Isometric, possibly tetragonal; bar 4 2/m. Crystal Habits include botryoidal, reniform and massive specimens. Cleavage: Absent. Fracture: Hackly. Specific Gravity is variable from 7.2 to 8.1 but averages around 7.7 (very heavy even for metallic minerals). Streak is gray black. Other Characteristics: Specimens will tarnish easily and cutting or powdering specimens will yield a garlic odor (arsenic). Associated Minerals include calcite, nickeline, copper and other copper ore minerals. Notable Occurrences include the type locality of Algodones Mine, Coquimbo, Chile and also the Mohawk Mine, Keweenaw County, Michigan, USA and the copper mines of Ontario, Canada. Best Field Indicators are color, crystal habit, streak, density and luster. Colors: off-white, yellow-brown, copper-brown to steel-gray Hardness: 3 to 3.5 Dufrenite Luster is varied from vitreous or silky to dull or earthy. Transparency: Specimens are translucent to transparent. Crystal System is monoclinic; 2/m Crystal Habits include botryoidal and globular masses or tabular crystals. Also found in radiating clusters and crusts. Cleavage is perfect in two directions. Fracture is uneven. Specific Gravity is approximately 3.1 - 3.3 (slightly above average). Streak is yellow-green. Associated Minerals include hureaulite, laubmannite, kidwellite, quartz, limonite and rockbridgeite. Notable Occurrences include Cornwall, England; Westphalia, Germany; Anglar, France and Cherokee County, Alabama, USA. Best Field Indicators are crystal habit, color, associations and streak Colors: yellowish-green or olive when fresh but turns brown when oxidized Hardness: 3.5 to 4.5 Duftite Luster is vitreous. Transparency: Crystals are transparent to translucent. Crystal System is Orthorhombic. Crystal Habits include microcrystalline crusts and small tabular crystals. Cleavage is indistinct. Fracture is uneven. Specific Gravity is approximately 6.4 - 6.6 (heavy for translucent minerals) Streak is white. Associated Minerals include wickenburgite, diopside, quartz, shattuckite, crocoite, ajoite, minium, cerussite, azurite, calcite, wulfenite and malachite. Notable Occurrence include Tsumeb, Namibia; E-Z Mine, Puttapa, Australia and Maricopa, County, Arizona, USA. Best Field Indicators are crystal habit, color, density, non-colored streak and localities. Colors: olive-green, gray-green or simply green Hardness: 3 Dravite A protective stone that brings the innate peace of the earth to the awareness of the individual. Crystal Habit is typically elongated three sided prisms. The terminations can be either a simple to complex trigonal pyramid or a flat basal face. The prism faces are striated lengthwise. In cross section, all tourmalines will appear predominantly triangular in shape with some crystals showing a hexagon. Doubly terminated crystals are hemimorphic meaning that the two ends of the crystal are not exactly alike. Massive forms can also be found. Transparency: crystals are translucent to opaque. Crystal System is Trigonal; 3m Specific Gravity is 3.2+ (slightly heavier than average) Cleavage is absent although there is basal parting. Fracture is uneven to conchoidal. Luster is vitreous. Associated Minerals include those associated with metamorphic rocks such as micas, feldspars and quartz. Other Characteristics: crystals are brittle and refractive indices = 1.62 and 1.68. Notable Occurances include Brazil and some other South American countries, and Africa. Best Field Indicators are crystal habit, triangular cross-section, color and hardness. Colors: light brown to dark brown Hardness: 7 to 7.5 Dumortierite Dumortierite (blue quartz) enhances organizational abilities, self-discipline, and orderliness. This enhancement is because of the stone's ability to balance the throat chakra and enhancing communication. It reduces the difficulties of a scattered or disorganized thinking process. Luster is vitreous to dull. Transparency: Crystals are translucent to transparent, massive specimens are nearly opaque. Crystal System is orthorhombic; 2/m 2/m 2/m. Crystal Habits include prismatic crystals but more commonly massive, columnar and fibrous. Cleavage good in one direction and poor in four others, but rarely seen. Fracture is uneven to hackly. Specific Gravity is 3.3 - 3.4 Streak is bluish white. Other Characteristics: Crystals are pleochroic from red to blue to violet. Some specimens fluoresce a blue color under longwave UV light with a fluorescent yellow matrix and a few specimens from Oreana, Nevada have fluoresced white under shortwave UV light. Associated Minerals are numerous and include quartz, kyanite, sillimanite, staurolite, andalusite, muscovite, lazulite and pyrophyllite Notable Occurrences include the type locality of Beaunan, France as well as Quartzite, La Paz County, Arizona; Colorado; Oreana, Nevada; New York, New York and Alpine, San Diego County and Los Angeles County, California, USA; Magadanskaya, Siberia, Russia and Sahatany, Madagascar. Best Field Indicators include hardness, color, density, fluorescence, fibrous crystal habit and environment. Colors: typically blue to violet, but also pink and brown Hardness: 7 to 8.5 Dundasite Luster is vitreous to silky. Transparency: Crystals are transparent to translucent. Crystal System is orthorhombic. Crystal Habits: Generally limited to crusts and small aggregates of radiating acicular crystals. Specific Gravity is 3.5 (somewhat heavy for translucent minerals) Cleavage is perfect in one direction. Fracture is uneven. Streak is white. Associated Minerals include cerussite and crocoite. Notable Occurrences include Dundas, Tasmania, Australia and Wensley, Derbyshire and Trefriw, Gwynedd, Wales, England. Best Field Indicators are locality, softness, density, color and crystal habit. Colors: white Hardness: 2 Dyscrasite Luster is metallic. Transparency: Crystals are opaque. Crystal System: Orthorhombic; 2/m 2/m 2/m. Crystal Habits include intricate arborescent and prismatic striated crystals. Cyclic twinned crystals are pseudo-hexagonal (six-sided) prisms and pyramids, but these are especially rare. Commonly found massive. Cleavage: Not discernible. Fracture: Hackly. Specific Gravity is 9.4 - 10 (very heavy for metallic minerals). Streak is silver. Other Characteristics: Specimens will tarnish to a yellow or black color with exposure to light. Associated Minerals include calcite, silver and silver ore minerals. Notable Occurrences include Wolfach and the Harz Mountains of Germany; Pribram, Czech Republic; Broken Hill, New South Wales, Australia; Pima and Santa Cruz Counties, Arizona, USA; Atacama, Chile and Cobalt, Ontario, Canada. Best Field Indicators are crystal habit, streak, density, color, tarnish and luster. Colors: silver-white Hardness: 3.5 to 4 Quick Jump Links: A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z

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