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Both minerals are commonly found as secondary minerals in similar geological settings
4cm x 8cm x 5
6cm x 4cm x 0
Beryllium and chromium/vanadium which typically exist in very different host rocks
Blue calcite Both minerals are commonly foundBlue Calcite Natural Mineral Rough From Androy Region Madagascar Size 13. 4cm x 11. 2cm x 5cm Weight 1038g You will receive the item in the photo Blue calcite is a beautiful calming sky to medium blue variety of calcium carbonate. Its unique pastel colour comes from trace inclusions and natural exposure to ionizing radiation. It is a relatively soft mineral with a MOHs hardness rating of 3. Blue calcite belongs to the trigonal crystal system and
US$ 22.00
US$ 11.00
US$ 57.00
US$ 132.05
US$ 218.03
US$ 659.77
