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CHALCOPYRITE SPHALERITE QUARTZ

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CHALCOPYRITE SPHALERITE QUARTZ

An amazing large specimen featuring Chalcopyrite Sphalerite Quartz crystals together.  All three minerals appear with perfect terminations.  This piece also includes micro quartz and calcite inclusions.  From a classic location and very collectible.

Location:
Krushev Dol Mine, Bulgaria.

Dimensions:
17cm x 14cm x 8cm, 2539g.

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CHALCOPYRITE SPHALERITE QUARTZ
CHALCOPYRITE SPHALERITE QUARTZ

An amazing large specimen of Chalcopyrite Sphalerite Quartz crystals.  All three minerals appear with perfect terminations.  Includes micro quartz and calcite inclusions.  From a classic location and very collectible.

Location:
Krushev Dol Mine, Bulgaria.

Dimensions:
17cm x 14cm x 8cm, 2539g.

 

Chalcopyrite: CuFeS2
A major ore of copper.  Common in sulfide veins and disseminated in igneous rocks.
Weathering may lead to the formation of malachite, azurite, brochantite, langite and numerous other secondary copper minerals.

Sphalerite: ZnS
Sphalerite also known as Blende or Zinc Blende is the major ore of zinc.  When pure with little or no iron it forms clear crystals with colours ranging from pale yellow (Cleiophane) to orange and red shades (Ruby Blende).  As the iron content increases it forms dark, opaque metallic crystals of Marmatite.

Quartz: SiO2
Quartz is the most common mineral found on the surface of the Earth.  A significant component of many igneous, metamorphic and sedimentary rocks.  This natural form of silicon dioxide is found in an impressive range of varieties and colours.  There are many names for different varieties:  Cryptocrystalline varieties of quartz are listed separately under chalcedony and include agate.

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