You Searched For: Minerals+and+Rocks+Software+and+Media
264 results were found
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: ...
WS Element of Month Nitrogen BOREAL Final
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1
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...
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...
Anorthite
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Anorthite CaAl2Si2O8(An90-100) (Feldspar Group) (see also Plagioclase) Crystallography:
Triclinic; 1. Crystals usually prismatic parallel to c-axis; twinning as in albite. Commonly massive, cleavable, with gra...
Pyrrhotite
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Pyrrhotite Fe1-xS (x = 0 - 0.17) Crystallography:
Monoclinic; 2/m (below about 250°C). Hexagonal; 6/m3/m2/m for high tempera- ture forms. Crystals rare, usually tabular to platy on {0001}. Also massive, granular.
Physical ...
ws digital slides helpfile
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© 2012 Ward’s Natural Science
Contents
Recommended System Requirements.....................................................3 Additional Assistance ..............................................................................3 QUICK START GUIDE
In...
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...
Apatite
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Apatite Ca5(PO4)3(F,Cl,OH) Crystallography:
Hexagonal; 6/m. Commonly occurs in crystals of long prismatic habit; also in mas- sive to compact masses.
Physical Properties: Cleavage: {0001} poor. Fracture concho...
Peridotite
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Peridotite Type:
Igneous; intrusive. Texture/Appearance:
Medium to coarse-grained; massive, granular, sometimes porphyritic. Color:
Medium gray to greenish-gray. Mineralogy/Chemistry:
Ultramafic, with mafic minerals greate...
Wards Single Probes Instructions Manual Revised 3.10.2014
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Ward’s Single Probes When All You Need is One
2
INTRODUCTION
The Ward’s Single Probes platform was designed for the classroom with ever-changing needs in mind. Users can select from three different operational settings, allowing you to tailor the ...
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. ...
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...
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...
Topaz
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Topaz Al2SiO4 (F,OH)2 Crystallography:
Orthorhombic; 2/m2/m2/m. Crystals commonly prismatic with vertical prism faces often striated; also in crystalline masses or granular.
Physical Properties: Cleavage: {001} perfect. Fr...
Element of Month Helium Boreal
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1
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...
Magnetite
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Magnetite Fe+2Fe2+3O4 (Spinel Group) Crystallography:
Isometric; 4/m32/m. Frequently in octahedral crystals; rarely dodecahedral. Commonly coarse-to fine-grained granular, massive.
Physical Properties: Cleavag...
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