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Chemical Composition: KCa4Si3O2
Group: -
System: Tetragonal
Family: Silicates
Hardness: 4.5-5
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- Tabular crystals
- Light
- Perfect basal cleavage
- Translucent to transparent
- Fuses easily
- Dissolves in hydrochloric acid
- Other colours: colourless or white, pink, yellow
- Found in: Brazil, Canada, Denmark, Germany, Greenland, Iceland,
India, Italy, USA
- Rare
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