Formula: Ca₃Al₂(SO₄)(F,OH)₁₀·2H₂O
Mineral class: halogenides
Crystal system: monoclinic
Mohs scale: 4
Density (g/cm³): 2.71 - 2.73
Refractive index: 1.461 - 1.485
Cleavage: perfect
Colors: colorless, white, yellowish, orange, blue-violet
Transparency: transparent
Luster: vitreous
Fluorescence: -
Pleochroism: -
Largest crystal: 8 cm?
Deposits: worldwide
Discovery: 1916
1st Description: 1916?
Name: for the mineral's occurrence near Creede / Colorado / USA

Creedite Mineral

Size: 2.3 x 3.2 x 3.0 cm

Origin: Potosí Mine / Aquiles Serdán / Santa Eulalia Distr. / Chihuahua / Mexico

Photo by kind permission of © http://www.irocks.com

Creedite Mineral

Size: 2.5 x 1.2 x 1.0 cm

Origin: Santa Eulalia Distr. / Chihuahua / Mexico

Photo by kind permission of © Danny Jones

Creedite Mineral

Size: 2.3 x 3.2 x 3.0 cm

Origin: Potosí Mine / Aquiles Serdán / Santa Eulalia Distr. / Chihuahua / Mexico

Photo by kind permission of © Danny Jones

Creedite Mineral

Size: 10.8 x 7.0 x 4.5 cm

Origin: Mina Navidad / Durango / Mexico

Photo by kind permission of © http://www.irocks.com

Creedite Mineral

Size: 6.0 x 5.5 x 5.0 cm

Origin: Abasolo Mine / Navidad / Durango / Mexico

Photo by kind permission of © www.lucianabarbosa.com

Creedite

Gewicht: 0.43 ct

Origin: Mexico

Photo by kind permission of © http://www.thegemtrader.com

Creedite Mineral

Size: 4.3 x 3.0 x 3.0 cm

Origin: West Camp / Santa Eulalia Distr. / Chihuahua / Mexico

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Creedite

Weight: 0.20 ct
Size: 0.58 x 0.3 cm
Origin: Russia

Photo by kind permission of © http://www.kox-gems.com