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This listing is for your choice of the beautiful, cabinet-size extra large banded Zebra Calcite crystal specimens from Mexico pictured. These polished (acid washed) crystals measure approx. 6" and would make a great display piece on your mantle or shelf or as a gift for a loved one. Choose the EXACT specimen by using the value of the dice or number on each photo for the specimen number.SIZE & WEIGHT:
1: 6x4x4" - 3.2 Lbs
2: 6x5x3" - 3.9 Lbs
3: 5x4x3" - 2.6 Lbs
4: 6x4x3" - 4.4 Lbs
5: 6x5x3" - 3.7 Lbs
6: 6x3x3" - 3.1 Lbs
7: 6x3x3" - 4.3 Lbs
8: 6x3x3" - 3.5 Lbs
9: 6x4x3" - 3.3 Lbs
10: 6x5x4" - 4.5 Lbs
11: 6x3x3" - 2.5 Lbs
12: 7x5x4" - 4.6 Lbs
13: 6x4x4" - 3.7 Lbs
14: 8x4x3" - 2.7 Lbs
Link 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.
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