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138 results were found
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...
Diamond
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Diamond C Crystallography:
Isometric; 4/m32/m. Crystals usually octahedral, but can be cubic or dodecahedral; curved faces are frequently observed.
Physical Properties: Cleavage: {111} perfect; 4-cleavage directions. Fract...
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...
WS Element of Month Nitrogen BOREAL Final
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All About Elements: Nitrogen
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Fun Facts About… Nitrogen 1. Nitrogen is the fourth most abundant
element in the universe and it makes up the majority of the earth’s atmosphere, at a staggering 78 per...
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...
ALL NJ Permit P526P 17 00893 20190423
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United States Department of Agriculture Animal and Plant Health Inspection Service
Plant Protection & Quarantine 4700 River Road
Riverdale, MD 20737
Permit to Move Live Plant Pests, Noxious Weeds, and Soil Interstate Movement
Regulated by 7 CFR 33...
Barite
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Barite BaSO4 (Barite Group) Crystallography:
Orthorhombic; 2/m2/m2/m. Crystals usually tabular on {001}; often diamond-shaped. May also be coarsely laminated; granular, earthy.
Physical Properties: Cleavage: {...
ALL SD Permit P526P 17 01183 20190408
/www.boreal.com/images/ALL_SD_Permit_P526P_17_01183_20190408.pdf
United States Department of Agriculture Animal and Plant Health Inspection Service
Plant Protection & Quarantine 4700 River Road
Riverdale, MD 20737
Permit to Move Live Plant Pests, Noxious Weeds, and Soil Interstate Movement
Regulated by 7 CFR 33...
ALL MA Permit P526P 17 00899 20190408
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United States Department of Agriculture Animal and Plant Health Inspection Service
Plant Protection & Quarantine 4700 River Road
Riverdale, MD 20737
Permit to Move Live Plant Pests, Noxious Weeds, and Soil Interstate Movement
Regulated by 7 CFR 33...
Corundum
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Corundum Al2O3 Crystallography:
Hexagonal-R; 32/m. Crystals commonly tabular on {0001} or prismatic {1120}; often rude barrel-shaped crystals. Usually massive; coarse or fine granular.
Physical Properties: Cle...
ALL IN Permit P526P 17 01783 20190408
/www.boreal.com/images/ALL_IN_Permit_P526P_17_01783_20190408.pdf
United States Department of Agriculture Animal and Plant Health Inspection Service
Plant Protection & Quarantine 4700 River Road
Riverdale, MD 20737
Permit to Move Live Plant Pests, Noxious Weeds, and Soil Interstate Movement
Regulated by 7 CFR 33...
ALL VT Permit P526 P17 01797 20190408
/www.boreal.com/images/ALL_VT_Permit_P526_P17_01797_20190408.pdf
United States Department of Agriculture Animal and Plant Health Inspection Service
Plant Protection & Quarantine 4700 River Road
Riverdale, MD 20737
Permit to Move Live Plant Pests, Noxious Weeds, and Soil Interstate Movement
Regulated by 7 CFR 33...
Element of Month Helium Boreal
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All About Elements: Helium
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Fun Facts About…Helium 1. Helium is the second most abundant ele-
ment after hydrogen in the universe and solar system. Approximately 11.3% of all atoms in the un...
Almandine
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Almandine Fe3+2 Al2 (SiO4)3 (Garnet Group) Crystallography:
Isometric; 4/m32/m. common forms are dodecahedron and trapezohedron. Also massive, granular.
Physical Properties: Cleavage: Not prominent; {110} parting sometimes distinct. Fracture subco...
Graphite
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Graphite C Crystallography:
Hexagonal; 6/m2/m2/m. Usually in foliated or scaly masses, but may be radiated or granular. Crystals tabular, of hexagonal outline with prominent basal plane.
Physical Properties: C...
Diopside
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Diopside CaMg Si2O6 (Pyroxene Group) Crystallography:
Monoclinic; 2/m. Crystals prismatic showing square or 8-sided cross section; also granular, massive. Physical Properties: Cleavage: {110}, at 87° and 93°, ...
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