Object ID:
1917.1.30
Collection:
Carr Natural History
Object Name:
Quartz
Dimensions:
H-4.7 W-3.5 L-10.1 cm
Description:
Quartz (Amethyst) Classification Mineral Tectosilicate
Amethyst variety, prismatic crystals with good cleavage
Violet color caused by trace amounts of ferric iron.
Amethyst variety, prismatic crystals with good cleavage
Violet color caused by trace amounts of ferric iron.
Other Name:
Amethyst
Found:
Lake Superior, Michigan
Chemical Composition:
Silicon oxide
Crystal System:
Hexagonal
Specific Gravity:
2.65
Hardness:
07
Luster:
Vitreous
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