Garnet Dust

Notes

Garnets have the general formula:

3(CaO|MgO|FeO|MnO) (Al₂O₃|Fe₂O₃|Cr₂O₃) 3SiO₂
ie. 3FeO Al₂O₃ 3SiO₂

Because of the and lack of cleavage planes, its main commercial usage is as an abrasive. However some ceramists use fine garnet dust byproducts in glazes.

Related Information

Data

Oxide	Analysis	Formula

Hardness (Moh)	7.5

By Tony Hansen
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