Specimen #2527

Name: Creedite

Type: Gem

Locality: Navidad Mine, Durango, Mexico

Favorite? N

Fluorescent? N

Size: 5 x 2 x 2 mm

Weight: 0.23 ct

Acquired: 2013-08-15

Source: Trinity: Luciana Barbosa

Label: N

Comment: A rectangular gem that is colorless with orange color zones. It weighs 0.23 carat. Creedite is very rare as a gemstone. It is a Halide with hardness 4 and the crystals are usually small.

Minerals: Creedite (Ca₃Al₂(SO₄)(F,OH)_{10 2}(H₂O))

There is one picture on file

M02527-01.jpg: