|Dimensions (mm)||not provided|
|Weight (carats)||not provided|
DOLOMITE SPECIMEN MINERAL
SOURCE FROM MOROCCO
SIZE 38X49X19 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.
stone is alot lighter colour than in pictures, but acurate description. i love it. communication could be better. still happy
|Starts||4th Apr 2018 9:40pm PDT|
|Ends||5th Apr 2018 2:51am PDT|
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