Turquoise Turquoise is probably the most valuable, non-transparent ...
Turquoise is an opaque mineral with a slightly waxy luster, ... Some collectors prefer turquoise that is delicately veined within a matrix of impurities of ...
Turquoise
Turquoise came to Europe only during the time of the crusades. And from this period comes the name "Turquoise”, meaning simply "Turkish stone”. ...
TURQUOISE (Hydrated Copper Aluminum Phosphate)
Turquoise is a valuable mineral and is possibly the most valuable, ... Turquoise is often imitated by "fakes", such as the mineral chrysocolla, ...