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Name: |
pyrite |
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Class: |
Sulfides |
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Chemistry: |
FeS2 |
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Color(s): |
pale-yellow metallic, Streak: greenish/brownish black |
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Hardness: |
6 - 6.5 |
SpecGrav: |
4.9 - 5.2 |
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Fracture: |
conchoidal |
Cleavage: |
none |
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Crystal: |
Isometric (cubes, many twins, xtls sometimes striated) |
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Envronment: |
hydrothermal veins, pegmatites, hydrothermal replacements |
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Association: |
quartz, microcline, biotite, hematite, magnetite, rutile, calcite, sphalerite |
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Locals: |
| Spain | Portugal | Italy | Wyoming, New York/USA | |
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Misc: |
soluble in nitric acid, known as "fools gold", the name "Pyrite" means "fireStone" in Greek. The name fire stone came from the common belief that pyrite held fire (inside) and was used by ancients as a sparking source. |
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Photos |
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1.) Huaron, Peru |
3.) Huaron, Peru |
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