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Chemical Composition:
(Ca, Na)(Mg, Fe, Al, Ti)(Si,
Al)2O6
Group: Pyroxene
System: Monoclinic
Family: Silicates
Hardness: 5 - 6
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- Crystals of prismatic habit, often stubby
- Heavy
- Insoluble in acids
- Fuses with great difficulty
- Found in: Canada, France, Germany, Greenland, Italy,
Japan, South Africa, Tanzania, USA
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