You Searched For: Research Minerals
130 results were found
Chalcopyrite
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Chalcopyrite Cu Fe S2 Crystallography:
Tetragonal; 42m. Usually massive; crystals commonly tetrahedral in aspect with the disphenoid.
Physical Properties: Cleavage: Indistinct. Fracture uneven; brittle. Hardness: 3.5-4.0. ...
Limestone
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Limestone Type:
Sedimentary; chemical or clastic. Texture/Appearance:
Fine to coarsely crystalline; varieties may be dense, compact and graded to brecciated, styliolitic, or oolitic. Stratification usually ind...
Arkose
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Arkose Type:
Sedimentary; clastic. Texture/Appearance:
Usually coarse-grained, sometimes with pebbles. Angular to subangular, poorly to moderately well-sorted sand grains. No Fossils.
Color: Gray, pink or redd...
Quartz(TigerEye)
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Quartz (variety Tiger Eye) Si O2 Crystallography:
Hexagonal -R; 32 (low quartz). Hexagonal; 622 (high quartz). Crystalline, fibrous pseudomorph.
Physical Properties: Cleavage: Generally none; occasional indist...
Cinnabar
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Cinnabar HgS Crystallography:
Hexagonal-R; 32 (low temperature form). Crystals usually rhombohedral, often in penetration twins. Commonly fine granular, massive; also earthy.
Physical Properties: Cleavage: {10...
WS Element of Month Neon Boreal final
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All About Elements: Neon
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Boreal’s All About Elements Series Building Real-World Connections to the Building Blocks of Chemistry
The periodic table of elements is an essential part of any chemistry classroom or science...
Andradite
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Andradite Ca3Fe2+3 (SiO4)3 (Garnet Group) Crystallography:
Isometric; 4/m32/m. Common forms are dodecahedron and trapezohedron, often in combination. Also massive, granular.
Physical Properties: Cleavage: None; parting sometimes distinct. Fracture...
Bauxite
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Bauxite Al (OH)3/AlO • OH Crystallography:
A mixture; often pisolitic in round concretionary grains, and also earthy, massive. Physical Properties:
Cleavage: None; uneven fracture. Hardness: 1.0-3.0. Specific ...
Fluorite
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Fluorite Ca F2 Crystallography:
Isometric; 4/m32/m. Usually cubic, often as penetration twins twinned on {111}. Other forms rare, commonly in crystals or cleavable masses; also massive, granular.
Physical Properties: Cleav...
Anothoclase
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Anorthoclase (Na, K) AlSi3 O8 (Feldspar Group) Crystallography:
Triclinic; 1. Twinning common. Physical Properties:
Cleavage: Principle cleavage at right angles or very close to 90°. Fracture uneven; brittle. ...
Beryl
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Beryl Be3 Al2 Si6 O18 Crystallography:
Hexagonal; 6/m2/m2/m. Strong prismatic habit; frequently vertically striated and grooved. Forms usually present consist only of {1010} and {0001}.
Physical Properties: Cl...
Bufo Toads
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Bufo Toad
Conditions for Customer Ownership (per USDA Permits) We hold permits allowing us to transport these organisms. To access permit conditions, click here. Never purchase living specimens without having a disposition strategy in place.
A per...
Biotite
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Biotite K (Mg, Fe+2)3 (Al, Fe+3) Si3 O10 (OH,F)2 (Mica Group) Crystallography: Monoclinic; 2/m. Usually in irregular foliated masses, and rarely in tabular or short prismatic crystals. Physical Properties:
Cle...
Anorthosite
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Anorthosite Type:
Igneous; intrusive. Texture/Appearance:
Medium to coarse-grained, equigranular with elongated tabular plagioclase. Color:
Dark gray to bluish-gray, sometimes lighter shades. Mineralogy/Chemis...
Augite
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Augite (Ca,Na) (Mg,Fe,Al,Ti) (Si,Al)2 O6 (Pyroxene Group) Crystallography:
Monoclinic; 2/m. Commonly prismatic crystals with rectangular cross-sections, or in granular crystalline masses.
Physical Properties: ...
Spotted Salamanders
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Spotted Salamander
Conditions for Customer Ownership (per USDA Permits) We hold permits allowing us to transport these organisms. To access permit conditions, click here. Never purchase living specimens without having a disposition strategy in pla...
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