Medium Blue Turquoise on Matrix Rock. A little pyrite appears on in the lot. 12 pieces in this lot!
These pieces were purchased from the estate of a lapidarist – jeweler. We tested this material with acetone and also with a red hot pin to verify it is not dyed material or plactic. This material was confirmed as turquoise.
Turquoise is an opaque mineral that occurs in beautiful shades of blue, bluish green, green, and yellowish green. Chemically, turquoise is a hydrous phosphate of copper and aluminum (CuAl6(PO4)4(OH)8·4H2O). The word turquoise dates to the 17th century and is derived from the French turquois meaning inTurkish in because the mineral was first brought to Europe through Turkey
12 Pieces Weight: 5.50 oz or 156g or 780 cts
Largest Piece Size: 2 inL x 1.25 inW x .75 inH