AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from China > Calcite (contact-twinned crystals)

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Online Mineral Museum Archive of Mineral Photographs and Mineral Descriptions from John Betts - 
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Calcite (contact-twinned crystals) from Daye, Huangshi, Hubei, China

 
Calcite (contact-twinned crystals) from Daye, Huangshi, Hubei, China

Calcite (contact-twinned crystals) from Daye, Huangshi, Hubei, China

Calcite (contact-twinned crystals) from Daye, Huangshi, Hubei, China

Calcite (contact-twinned crystals) from Daye, Huangshi, Hubei, China

Calcite (contact-twinned crystals) from Daye, Huangshi, Hubei, China

Calcite (contact-twinned crystals) from Daye, Huangshi, Hubei, China

Calcite (contact-twinned crystals) from Daye, Huangshi, Hubei, China

Calcite (contact-twinned crystals) from Daye, Huangshi, Hubei, China

Calcite (contact-twinned crystals) from Daye, Huangshi, Hubei, China

DESCRIPTION:No. 73693
Mineral:Calcite (contact-twinned crystals)
Locality:Daye, Huangshi, Hubei, China
Description:Lustrous transparent calcite crystals colored red-brown by microscopic hematite inclusions on tan matrix. The largest calcite crystals are composed of rhombohedral faces with thin outer edge (prism) faces that reveal contact-twinning on the {0001} plane. Ex. Betts #32077
Overall Size:6.5x4x3 cm
Crystals:1-28 mm
Archived: For reference only

 

 

 

 

 

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