|Dimensions (mm)||not provided|
|Weight (carats)||not provided|
DOLOMITE SPECIMEN MINERAL
SOURCE FROM MOROCCO
SIZE 57X 50X 20 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.
|Starts||28th Apr 2017 9:02pm PDT|
|Ends||29th Apr 2017 9:00pm PDT|
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