Turquoise is an opaque, blue-to-green mineral that is a hydrous phosphate of copper and aluminium, with the chemical formula CuAl6(PO4)4(OH)8·4H2O. It...

Turquoise (/ˈtɜːrk(w)ɔɪz/ TUR-k(w)oyz) is a cyan color, based on the mineral of the same name. The word turquoise dates to the 17th century and is derived...

use in jewelry than the artificially stabilized white forms of the mineral turquoise. Howlite, as collected, southern California. A polished mass showing...

link] "Turquoise:turquoise mineral information and data". mindat.org. Retrieved 2006-10-04. http://rruff.geo.arizona.edu/doclib/hom/turquoise.pdf Handbook...

Rynersonite Varieties that are not valid species: Rashleighite (variety of turquoise) Rhodolite (variety of pyrope) Rock crystal (quartz) Rose quartz (pink...

Mineral Park was mined by the Aztec Turquoise Co., the Los Angeles Gem Co., Arizona Turquoise Co., Southwest Turquoise Co. and Mineral Park Turquoise...

from bluish white, light-blue, light-green, green-blue, turquoise blue, turquoise green, turquoise blue-green, deep green, dark green, to deep blue, dark...

Blue or Bisbee turquoise refers to the turquoise that comes from copper mines located in the vicinity of Bisbee, Arizona. Bisbee turquoise can be found...

heterogeneous mixture of several secondary copper minerals, including malachite, azurite, turquoise, pseudomalachite, and chrysocolla. Eilat stone is...

hydrated aluminium phosphate mineral (AlPO4·2H2O). It is a relatively rare phosphate mineral. It is sometimes confused with turquoise; however, variscite is...