Photographed for Mineralogical Record
Lustrous, deep blue crystals of spinel etched out of the encasing
calcite.
Origin: Beronono, Toliara, Madagascar, Africa
Sample size: 6 x 4.8 x 3.3 cm (top/2nd row), 3.2 x 2.9 x 2.3 cm (3rd/4th row),
7.5 x 5.4 x 4.3 cm (5th/6th row), 4.9 x 3.8 x 3.3 cm (7th/8th row), 2 x 1.5 x
1.3 cm (9th row), 1.7 x 1.6 x 1.3 cm (10th/bottom row)
One large spinel (3.5 cm) and several octahedral spinels with a few
chondrodite crystals, all on
calcite.
Origin: Khandjee, Badakhstan, Afghanistan
Ex. Dave Douglass collection
Sample size: 8 x 6.5 x 5 cm
Spinel twin
Origin: Mogok, Burma
Ex. Ed Rosenzweig collection
Sample size: 2.1 x 1.9 x 1.1 cm
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