Term
| Mohs 2, 1D Cleavage, Vitreous |
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Definition
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Term
| Mohs 4, 4D Cleavage, Vitreous |
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Definition
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Term
| Mohs 6, 2D Cleavage @ 90, Vitreous, Exsolution Lamellae, Potassium |
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Definition
[image]
Orthoclase Feldspar |
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Term
| 1D Cleavage, Vitreous, Black |
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Definition
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Term
| Conchoidal Fracture, Vitreous, Red-brown |
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Definition
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Term
| Vitreous, Green, Round grains |
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Definition
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Term
| 2D Cleavage, Vitreous, Greenish-black |
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Definition
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Term
| 3D Cleavage, Vitreous, Salty Taste, NaCl |
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Definition
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Term
| Mohs 6, 2D Cleavage, Vitreous, Striations on cleavage surface, Dark with play of colors, iridescent |
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Definition
| Plagioclase Feldspar, Labradorite |
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Term
| Mohs 3, Any (White with blue), CaCO3, Pink/Fizz, 3D massive |
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Definition
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Term
| 4D Cleavage, Vitreous, Any |
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Definition
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Term
| Mohs 7, Irregular fracture, waxy, SiO2 |
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Definition
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Term
| Pink Dot, Mohs 3, 3D Cleavage, Vitreous, CaCO3 |
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Definition
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Term
| Mohs 1, Irregular fracture, pearly, soapy feel |
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Definition
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Term
| Mohs 9, Hexagonal, Dull (earthy) |
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Definition
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Term
| Mohs 5, Irregular fracture, Vitreous, Green |
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Definition
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Term
| Irregular, Metallic, Iron, Identify by red-brown streak |
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Definition
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Term
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Definition
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Term
| Mohs 8, 1D Cleavage, Vitreous, Clear "raindbow" |
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Definition
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Term
| Metallic, Cubic, FeS2, Sulfur |
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Definition
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Term
| Has cleavage, submetallic, zinc, rotten egg |
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Definition
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Term
| Irregular fracture, metallic/submetallic, magnetic, "rusty" |
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Definition
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Term
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Definition
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Term
| 3D Cleavage @ 90, metallic, PbS, Lead |
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Definition
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Term
| Irregular fracture, submetallic, copper |
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Definition
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Term
| 2D Cleavage, Vitreous, Black |
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Definition
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Term
| 3D Cleavage, Vitreous, Yellow Dot: Reacts to dilute HCl only in powdered form, magnesium |
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Definition
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Term
| Vitreous, Striations, Crystal |
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Definition
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Term
| Dull Earthy, Clay-like mass |
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Definition
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Term
| Massive or platy crystals, very heavy (high specific gravity), waxy, white w/red |
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Definition
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Term
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Definition
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Term
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Definition
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Term
| Mohs 7, Vitreous, Conchoidal fracture, SiO2, Pink |
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Definition
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Term
| Mohs 6, 2D Cleavage, Vitreous, Striations on a cleavage surface |
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Definition
| Albite Feldspar, Plagioclase Feldspar |
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Term
| Mohs 2, Irregular fracture, dull earthy |
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Definition
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Term
| 2 Mohs 6, 2D Cleavage @ 90, Vitreous, Exsolution Lamellae, Potassium |
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Definition
| Amazonite (Microline Feldspar) |
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Term
| Vitreous, Hexagonal, Purple, SiO2, Impurities (stray ions) get trapped in the open crystalline structure |
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Definition
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Term
| Vitreous, Rhombohedral, Yellow Dot Reacts to dilute HCl only in powdered form |
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Definition
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Term
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Definition
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Term
| Vitreous, Hexagonal, SiO2, No impurities (ions) trapped in crystalline structure |
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Definition
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Term
| Picture, Conchoidal facture |
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Definition
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Term
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Definition
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Term
| 3D Cleavage, Vitreous, Double Refraction |
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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