Celestine

SrSO4

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Celestine (celestite) is the primary ore of strontium, named for its occasional celestial blue color. The world's largest geode, the Crystal Cave in Put-in-Bay, Ohio, is lined with celestine crystals up to 90 cm long.

Système Cristallin Orthorhombic
Classe Minérale 07 Sulfates, Chromates, Molybdates, and Tungstates
Dureté Mohs 3.0-3.5
Densité 3.95-3.97
Couleur Colorless, pale blue, white, yellow
Éclat Vitreous
Trait White
Clivage Perfect {001}
Cassure Uneven
Transparence Transparent
Habitus Cristallin Tabular, prismatic

Dureté Mohs

Mohs Hardness: 3,0 – 3,5
1 Soft10 Hard

Système Cristallin

Orthorhombic

Frequently Asked Questions

What is the hardness of Celestine?
Celestine has a Mohs hardness of 3.0-3.5.
What crystal system does Celestine belong to?
Celestine crystallizes in the Orthorhombic crystal system.
What color is Celestine?
Celestine is typically Colorless, pale blue, white, yellow.
What type of luster does Celestine have?
Celestine exhibits a Vitreous luster.
What is the chemical formula of Celestine?
The chemical formula of Celestine is SrSO4.