Amethyst herkimer (

Amethyst herkimer ("Dubbinder") from Peru (new in 2020)

Chrysoprase AAA from Queensland, Australia

Chrysoprase AAA from Queensland, Australia

Creedite from Mexico, very beautiful clusters in orange color.

Always in search of the newest minerals & tumbled stones we came across this stone in 2019. Very beautiful and high-quality cut.
Availability: In stock
SKU
9039
  • Buy 10 for €9.99 each and save 9%
Creedite from Mexico, very beautiful clusters in orange color. is available to buy in increments of 3

Creedite is a calcium aluminium sulfate fluoro hydroxide mineral with formula: Ca3Al2SO4(F,OH)10·2(H2O). Creedite forms colorless to white to purple monoclinic prismatic crystals. It often occurs as acicular radiating sprays of fine prisms. It is translucent to transparent with indices of refraction of nα = 1.461 nβ = 1.478 nγ = 1.485. It has a Mohs hardness of 3.5 to 4 and a specific gravity of 2.7. Creedite was first described in 1916 from the Creede Quadrangle in Mineral County, Colorado. It is a product of intense oxidation of ore deposits. Creedite is a rare hydroxylhalide mineral. Creedite usually forms from the oxidation of fluorite ore deposits. Creedite was named after the location where it was discovered in 1916 in the Colorado Fluorspar Co. Mine at Wagon Wheel Gap, located at Creede Quadrangle, Mineral County, Colorado. It was later found in other fluorite veins near Tonopah, Nye County, Nevada; in the Grand Reef mine, Graham County, Arizona; in the Darwin district, Inyo County, California. It also occurs in the Potosi and other mines of Santa Eulalia, Chihuahua, Mexico. It is also found in La Paz, Bolivia; Pamir Mountains, Tajikistan and Dzhezkazgan, Kazakhstan

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