AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Mexico > Sphalerite (Spinel-law twinned crystals) with Calcite

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Sphalerite (Spinel-law twinned crystals) with Calcite from Naica District, Saucillo, Chihuahua, Mexico

 
Sphalerite (Spinel-law twinned crystals) with Calcite from Naica District, Saucillo, Chihuahua, Mexico

Sphalerite (Spinel-law twinned crystals) with Calcite from Naica District, Saucillo, Chihuahua, Mexico

DESCRIPTION:No. 51524
Mineral:Sphalerite (Spinel-law twinned crystals) with Calcite
Locality:Naica District, Saucillo, Chihuahua, Mexico
Description:Lustrous black octahedral sphalerite crystals exhibiting complex, repeated twinning following the Spinel Law resulting in coarse surface striations on the sphalerite crystal faces which are actually the twin planes. Calcite crystals to 3 mm on bottom. Ex. Larry Krause (1945-2010) collection
Overall Size:3.4x3x2.5 cm
Crystals:1-22 mm
Status: Sold - Posted here for reference only
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