Large BLUE CALCITE Crystal Mineral Specimens * 4-7" Size * Choice of 10 for Sale

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Large BLUE CALCITE Crystal Mineral Specimens * 4-7" Size * Choice of 10 For Sale

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Large BLUE CALCITE Crystal Mineral Specimens * 4-7" Size * Choice of 10:
$31.50

This listing is for your choice of the beautiful, cabinet-size extra large Blue Calcite crystal specimens from Mexico pictured. These polished (acid washed) crystals measure between 3-7" and are very colorful and would make a great display piece on your mantle or shelf. Please use the value of the dice or number on each photo for the specimen number.SIZE & WEIGHT:
12: 5x4x4" - 2 Lbs
17: 4x4x2" - 1.4 Lbs.
20: 4x3x2" - .7 Lbs.
22: 5x3x2" - 1.4 Lbs.
24: 3x3x2" - .7 Lbs29: 7x5x4" - 2.7 Lbs
30: 5x3x3" - 1.5 Lbs
31: 4x3x2" - .8 Lbs.
32: 3x3x2" - .9 Lbs.
29: 7x5x4" - 2.7 LbsLink to Our Other Crystal and Mineral Specimens
CALCITE PROPERTIES:
Category - Carbonate mineral.
Formula - CaCO3.
Color - Colorless or white, also gray, yellow, green,
Crystal habit - Crystalline, granular, stalactitic, concretionary, massive, rhombohedral.
Crystal system - Trigonal hexagonal scalenohedral.
Twinning - Common by four twin laws.
Cleavage - Perfect on three directions.
Fracture - Conchoidal.
Tenacity - Brittle.
Hardness - 3 (defining mineral).
Luster - Vitreous to pearly on cleavage surfaces.
Streak - White.
Specific gravity - 2.71.
Other characteristics - May fluoresce red, blue, yellow, and other colors under either SW and LW UV; phosphorescent.
Courtesy of Wikipedia

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