US$ 16.50
Turquoise is one of the oldest known gemstones
It is a variety of the mineral corundum
cream and mahogany brown
there may not be a more beautiful blue-and-brown combination than that of Terra Agate
Madagascar Dendiritc Green Opal 6mm Round A Grade - 15-16 Inch R1643 Turquoise is one of theThis variety of opal is named "dendritic" for the small inclusions within it that resemble moss or ferns. These inclusions consist of iron, manganese and other metallic oxides captured during the forming of the rock. Opals are hydrated amorphous forms of silica, created when silica hardens within the fissures of other stones.
US$ 16.50
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