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Chemical Composition: ZnCO3
Group: -
System: Hexagonal
Family: Carbonates
Hardness: 5.5
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- Rhombohedral or scalenohedral crystals
- White when pure
- Perfect rhombohedral cleavage
- Nonmetallic; vitreous to greasy luster
- Many varieties show pinkish fluorescence if exposed
to ultraviolet light
- Heavy, fragile
- Transparent
- Soluble in cold concentrated hydrochloric acid
- Infusible
- White streak
- specific gravity 4.3 - 4.5
- Found in: Greece, Italy, Namibia, Spain, Turkey, USA,
former USSR, Zambia,
- Uses: zinc is extracted from it
- Common
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