Building Blocks of the Earth : Rocks and Minerals
Object ID:
1917.8.2
Collection:
Natural History-Ladies of New London
Object Name:
Turquoise
Dimensions:
H-0.984 W-1.043 L-1.575 Dia-3.287 inches
Description:
Turquoise Classification: Mineral - Phosphate
Light to medium colored blue triclinic crystals in fine grained tan matrix.
Environment: Forms as a secondary mineral in the zone of alteration in disseminated hydrothermal replacement deposits.
Found:
New Mexico
Chemical Composition:
Hydrated Cu/Al phosphate
Crystal System:
Triclinic
Specific Gravity:
2.6-2.8
Hardness:
05
Luster:
Waxy
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