233 CTS MOROCCAN DOLOMITE SPECIMEN MINERAL RT 2442

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DOLOMITE SPECIMEN MINERAL

SOURCE FROM MOROCCO

 

SIZE    62 X 36X 23 MM

 

The Dolomite Group is composed of minerals with an unusual Crystal Trigonal bar 3 symmetry.

Pink Dolomite is found in USA, Spain n Mexico

 The general formula of this group is AB(CO3)2, where A can be either calcium, barium and/or strontium and the B can be either iron, magnesium, zinc and/or manganese.

The structure of the Dolomite Group is taken from the Calcite Group structure. The Calcite Group structure is layered with alternating carbonate layers and metal ion layers. The structure of the Dolomite Group minerals is layered in such a way that the A metal ions occupy one layer which is followed by a carbonate layer which is followed by the B metal ion layer followed by another carbonate (CO3) layer, etc.

6h 15m 41s

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Bid Increment $1.00
Starting Bid $15.00
Auction ID 276953
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Starts 3rd Dec 2016 8:47pm PST
Ends 4th Dec 2016 8:45pm PST

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