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Mineralpedia Details for Celestine

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Celestine

Celestine

Named in reference to the mineral’s usual pale blue color after the Latin word caelestis, meaning “celestial.” Celestine is the most common strontium mineral and can be found in many widespread localities all over the world. Particularly large and fine crystals can be found in the United States, most notably at the Crystal Cave in Ohio which is the world’s largest geode, as well as in Canada, Mexico, Italy, Germany, England, Norway, Egypt, and Madagascar. Celestine occurs of sedimentary origin as diagenetic or fissure and cavity fillings, as well as in hydrothermal veins and in volcanic rocks. Celestine is the strontium analogue of baryte.

Ref. Handbook of Mineralogy, Anthony et al (1995) and MSA at http://www.handbookofmineralogy.org/pdfs/celestine.pdf

Formula
SrSO4 
Crystal System
Orthorhombic 
Crystal Habit
Crystalline - Coarse, Massive, Granular 
Cleavage
Perfect, Good, None 
Luster
Vitreous (Glassy) 
Color
blue, brown, colorless, green, gray 
Streak
white 
Class
Orthorhombic - Dipyramidal 
Fracture
Brittle - Conchoidal 
Hardness
3-3.5 
WebMineral
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Mindat
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Celestine from N'Chwaning I mine, Kalahari Mn fields, Northern Cape Province, South Africa

Celestine
            from N'Chwaning I mine, Kalahari Mn fields, Northern Cape Province, South Africa
Special Info
Phillips Collection

Light blue prismatic crystals of Celestine to over 1cm scattered on matrix. Nice piece. They say Celestine from N'chwaning mines are barium rich.

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Celestine from Agrigento, Sicily, Italy

Celestine
            from Agrigento, Sicily, Italy

Lustrous, pure white Celestine crystals to 2cm set on matrix with yellow crystalline Sulphur on the backside.

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Celestine from Pugh quarry, Wood Co., Ohio, United States

Celestine
            from Pugh quarry, Wood Co., Ohio, United States

Blue Celestine crystals and light honey-colored Calcite points to over 1cm.

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Celestine from Meckley's quarry, Pennsylvania, United States

Celestine
            from Meckley's quarry, Pennsylvania, United States

Blue, well formed tabular Celestine crystals to over 1cm with straited faces set on matrix covered in white Quartz.

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Celestine from Lime City, Wood Co., Ohio, United States

Celestine
            from Lime City, Wood Co., Ohio, United States

Light blue tabular crystals of celestine to 2.5cm encrusted over with Strontianite.

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Celestine from St. Joe No. 3 mine, Balmat, St. Lawrence Co., New York, United States

Celestine
            from St. Joe No. 3 mine, Balmat, St. Lawrence Co., New York, United States

Unusual divergent and bladed habit for Celestine.

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Celestine from Woodville, Sandusky County, Ohio, United States

Celestine
            from Woodville, Sandusky County, Ohio, United States

Light bluish white thin tabular crystals to 3cm long. It's a nice specimen exhibiting good tabular crystals with squared terminations.

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Celestine from Briar Plant Gypsum mine, Howard Co., Arkansas, United States

Celestine
            from Briar Plant Gypsum mine, Howard Co., Arkansas, United States

Large light blue 1cm,complex crystals with several smaller on light yellow finer Celestine. These were found quite a while ago by the "Coon Creek Association" of which Don Owens was a member.

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