Topaz on quartz
Origin: Kyauk Sin, Near Mogok, Burma
Sample size: 4.5 x 3.5 x 3.1 cm (top/2nd row), 5.1 x 2.8 x 1.7 cm (3rd/bottom
row)
Topaz on quartz
Origin: Pantaw, Near Mogok, Burma
Sample size: 8 x 5 x 3 cm (top/2nd row), 5 x 4.5 x 3 cm (3rd/4th row), 5.6 x
4.5 x 4 cm (5th/bottom row)
Origin: near Kolweze, Katanga Province, Dem. Rep. of the Congo
Sample size: 2.6 x 1.3 x 0.7 cm (top), 2.3 x 0.8 x 0.6 cm (bottom)
$
Origin: Itaobim, Minas Gerais, Brasil
Ex. Alessandro Genazzani collection
Sample size: 3 x 2.5 x 2 cm
This is a cluster of several clear-to-brown topaz crystals in a rhyolite
matrix. There is some hyalite
opal on
the specimen as well.
Origin: Copetillo, Zacatecas, Mexico
Ex. Rick Green collection
Sample size: 4 x 3.8 x 3.5 cm
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