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Semi Precious Stone Pyrite



Pyrite is the most common form of the sulfide minerals. It is usually found associated with other sulfides and oxides in quartz veins, sedimentary rock and metamorphic rock, as well as in coal beds, and also as the replacement mineral in fossils.

Pyrite exposed to the environment during mining and also excavation reacts with oxygen and water to form sulfuric acid, resulting in acid mine drainage. This results from the action of Trio bacillus bacteria, which generate their energy by using oxygen to oxidize ferrous iron (Fe2+) that ferric iron (Fe3+). The ferric iron in turn reacts with pyrite to produce ferrous iron and also sulfuric acid. The ferrous iron is then available for oxidation by the bacteria; this cycle could continue until the pyrite is exhausted.


Pyrite

Historical Facts of Pyrite



Refractive index: Opaque



Chemical Composition: Iron disulfide (FeS2)



Crystal system: Isometric



Mohs Scale hardness: 6 – 6.8



Density: 4.95 – 5.10



Luster: Metallic, Glistening



Color: Pale brass yellow, Dull gold



Gemstone Jewelry Pyrite



Bracelet
Pyrite Bracelet
Earring
Pyrite Earring
Necklace
Pyrite Necklace
Rings
Pyrite Ring

NOVEMBER BIRTHSTONE - CITRINE


Citrine Gemstone

COMMEMORATIVE EVENT - 13th Anniversary
KEYWORDS - Success, Abundance, Personal Power
ALSO KNOWN AS - Merchant's stone, Success stone
COLORS - Pale yellow to brown
OCCURRENCE - Brazil
COLOR ZONING - Tiger stripes or Zebra stripes

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