You Searched For: Specialty+Rocks
46 results were found
Dolostone
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Dolostone Type:
Sedimentary, chemical. Texture/Appearance:
Fine to coarsely crystalline grain size; sugary (saccharoidal). May contain various fossil relicts, molds, and casts. Stratification absent or irregular.
Color: Li...
Mealworms and Darkling Beetles
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Conditions for Customer Ownership 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. There are currently no USDA permit...
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...
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...
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...
Eastern Newts
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Conditions for Customer Ownership 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 USDA permit is needed to send ea...
Basalt
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Basalt Type:
Igneous; extrusive/intrusive. Texture/Appearance:
Fine-grained intergranular plagioclase, pyroxene, and oxides; may contain interstitial glass. Structure massive with some vacuoles occurring.
Colo...
Schorl
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Schorl (Tourmaline Group) Na Fe3+2 Al6 (BO3)3 Si6 O18 (OH)4 Crystallography:
Hexagonal -R; 3m. Usually in prismatic crystals with rounded triangular cross- section due to prominent trigonal prism and subordina...
Staurolite
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Staurolite (Fe+2, Mg, Zn)2 Al9 (Si, Al)4 O22 (OH)2 Crystallography:
Monoclinic (pseudo-orthorhombic); 2/m. Crystals prismatic with common forms {110}, {001}, and {101}. Cruciform twins very common (at nearly 9...
BS Element of Month Carbon IA
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1
All About Elements: Carbon
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Fun Facts About… Carbon 1. Graphine, an allotrope of carbon, is the
strongest, thinnest, and best conductor of heat known to man. It was created by scientists using ordin...
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 ...
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...
Nepheline
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Nepheline (Na,K) AlSiO4 Crystallography:
Hexagonal; 6. Rarely in small prismatic crystals with base; more commonly massive, compact, and in embedded grains.
Physical Properties: Cleavage: {1010} distinct. Frac...
Freshwater Snails
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Conditions for Customer Ownership 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.
• Pond and Ramshorn snails: There ...
Rhyolite
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Rhyolite Type:
Igneous; extrusive. Texture/Appearance:
Fine-grained, cryptocrystalline (and glassy) to microcrystalline; often porphyritic. May show flow banding.
Color: Light colored; pink, gray, and purple.
Mineralogy/Ch...
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