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STUNNING GOETHITE OVER “IRON CROSS” TWINNED PYRITE FROM GACHALA, COLOMBIA For Sale
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STUNNING GOETHITE OVER “IRON CROSS” TWINNED PYRITE FROM GACHALA, COLOMBIA:
$150.00
Here is an excellent, 300 gram formation of a pyrite from Gachala, Cundinamarca Department, Colombia showing the classic, dramatic and rare twinned habit in pyrite known as the \"iron cross twin.” The pyrite crystal has a thin metallic layer of goethite on the surface which shows good luster. “Iron-cross twins” are twinned crystals exhibiting the forms of two pentagonal dodecahedra (also known as pyritohedra). These twins display edges crossing at 90 degrees, and in an idealized/model twin, these edges form a perpendicular cross just like this one does. The iron cross twin law is well known and exhibited in specimens from various localities, but rarely does one find large-sized complete crystals such as this. An interesting example of this rare material from recent finds!Dimensions: 5.2 by 4.8 by 4.6 cm
STUNNING GOETHITE OVER “IRON CROSS” TWINNED PYRITE FROM GACHALA, COLOMBIA $125.00
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STUNNING GOETHITE OVER “IRON CROSS” TWINNED PYRITE FROM GACHALA, COLOMBIA $150.00
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