Corundum replacing Spinel
specimen number:
9711647
location:
Mahenge, Morogoro, Tanzania
description:
An exceptionally large octahedral crystal of spinel with minor attached muscovite, this in the process of being replaced by pinkish red corundum, the variety known as Ruby. This is incredibly fluorescent. Complete all around.
Size: 10.0 x 9.0 x 8.5 cm (cabinet)
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Related by Mineral (Corundum):
Corundum — Nepal
Origin: Chumar, Ruby Valley, Dhading, P3 Bagmati Pradesh, Nepal
Number: (1115624)
Size: 5.0 x 3.8 x 3.2 cm (miniature)
Corundum — Nepal
Origin: Chumar, Ruby Valley, Dhading, P3 Bagmati Pradesh, Nepal
Number: (1115609)
Size: 3.5 x 2.5 x 2.0 cm (miniature)
Corundum — Myanmar
Origin: Mogok, Mandalay, Myanmar
Number: (9506143)
Size: 4.5 x 2.0 x 1.0 cm (miniature)
Related by Location (Mahenge):
Spinel — Tanzania
Origin: Mahenge, Morogoro, Tanzania
Number: (9711554)
Size: 3.0 x 2.1 x 2.0 cm (thumbnail)
Spinel — Tanzania
Origin: Mahenge, Morogoro, Tanzania
Number: (9711673)
Size: 5.0 x 4.5 x 1.6 cm (miniature)
Spinel — Tanzania
Origin: Mahenge, Morogoro, Tanzania
Number: (9711550)
Size: 3.3 x 2.7 x 2.4 cm (miniature)