Doubly terminated Calcite (Superb) ex Rob Smith Coll.

Nchwaning II Mine, Kalahari Manganese Field, South Africa
Cabinet, 9.5 x 3.4 x 3.3 cm
Start Time: 02/12/2009 8:00:00 pm (CST)
End Time: 02/19/2009 8:30:00 pm (CST)
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Item Description

A DRAMATIC, EXCELLENT and AESTHETIC calcite specimen from the famous Nchwaning II Mine of South Africa and the Rob Smith Collection. A 5.8 cm, doubly terminated, pristine, glassy, water-clear, parallel-growth, compound calcite crystal is very jauntily attached to massive manganite matrix. One face of the manganite is covered with sparkly, oxide-included, tiny calcite crystals and another side is coated with scintillating, specular hematite! Facinating! The calcite crystals share the same frontal face and the back shows the two, parallel-growth crystals. A very interesting phenomenon. Valued at $750-1000 and well worth it.

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