- Carbon and Silicates are chemically resistant
- Silicates are more durable
- Carbonates are less Durable and can react easily e.g PEARL , CORAL , and SHELLS.
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Identification of Rough Crystals
Identification of Rough Crystals 1- Two Thing Are IMPORTANT For The Identification Of Crystals. Shape & Symmetry. Surface Features. -...
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CHEMICAL COMPOSITION Carbon and Silicates are chemically resistant Silicates are more durable Carbonates are less Durable and can reac...
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DURABILITY OF GEMS MATERIALS DURABILITY is combination of three parameters. HARDNESS: Resistance to Scratching TOUGHNESS: ...
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