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Pyrite, sometimes called fools gold is a compound of iron and sulfur, iron sulfide, FeS2. Depending upon the conditions under which it forms pyrite can form crystals of different shapes, cubes are common. Pyrite is used in making sulfuric acid. Pyrite can be an agent of fossilization creating beautiful fossils, commonly ammonites and brachiopods. In the gold rush era, many people thought they had discovered gold only to realize it was pyrite, which is where it gets its nickname fools gold. Hardness 6-6.5 Metallic luster.
Iron Pyrite Crystal E
Iron Pyrite Crystal Cluster 1 pounds A
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Iron Pyrite Crystal Cluster 1.5 pounds D
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Iron Pyrite Crystal H
Pyrite Crystal Grouping O
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Pyrite Crystal Grouping P
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Pyrite Crystal M
Pyrite Crystal N
Pyrite Crystal Q
Pyrite Crystal R
Iron Pyrite Cluster 60 - 90 grams
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Pyrite Cube, 1/2 inch
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Pyrite Cube, 3/4 inch

Mineral Properties Of Pyrite

Chemical formula: Iron Sulfide FeS2

Color(s): gold-yellow

Streak: greenish black

Luster: metallic

Transparency: opaque

Crystal system: cubic

Specific Gravity: 4.8-5

Hardness (Mohs): 6-6.5

Cleavage: indistinct

Fracture: conchoidal

Uses: used in making sulfuric acid and sulfur dioxide

Location: Rio Tinto, Spain; Quiruvila, Peru; Ontario, Canada; Elba, Italy; Llallagua, Bolivia; In the U.S.A. Utah, Colorado

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