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Corundum : Al2O3, Garnet : X3Z2(SiO4)3

 
 
minID: 040-84M

Corundum : Al2O3, Garnet : X3Z2(SiO4)3

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Dimensions: 122 mm x 83 mm x 84 mm

Two fragments of a large crystal are still embedded together in the massive garnet amphibolite matrix. The crystal has a red core and a very dark blue skin. Obtained at the mine. Specimen size 122 x 83 x 84 mm. Larger crystal is 72 mm long.

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Photo added: 16th Oct 2010