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Mineralpedia Details for Svanbergite

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Svanbergite

Svanbergite

Lars Fredrik Svanberg, a Swedish chemist and Professor of Mineralogy at the University of Uppsala in Uppsala, Sweden, is honored as the namesake of this mineral. Svanbergite can be found in aluminum-rich, mid-grade, metamorphic deposits, in bauxite depositsm and replacing apatite in hydrothermal vein and disseminated ore deposits as a product of sulphatic alteration. There are quite a few repoted localities for Svanbergite. Svanbergite is insoluble in acids.

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

Formula
SrAl3(SO4)(PO4)(OH)6 
Crystal System
Trigonal 
Crystal Habit
Rhombohedral Crystals, Pseudo Cubic, Massive - Granular 
Cleavage
Distinct, None, None 
Luster
Vitreous - Adamantine 
Color
colorless, yellow, pink, reddish brown 
Streak
white 
Class
Trigonal - Hexagonal Scalenohedral 
Hardness
WebMineral
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Mindat
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Svanbergite from Dover mine, near Hawthorne, Mineral Co., Nevada

Svanbergite
            from Dover mine, near Hawthorne, Mineral Co., Nevada Peach colored, glassy, pseudocubic crystals with rhombohedral modifications(?) to 1mm associated with mint green pyrophyllite.
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Svanbergite from Brumado, Bahia, Brazil

Svanbergite
            from Brumado, Bahia, Brazil

Waterclear euhedral crystals to 3mm. There are several crystals on Quartz.

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Svanbergite from Mount Brussilof mine, Radium Hot Springs, British Columbia, Canada Hot Springs, British Columbia, Canada

Svanbergite
            from Mount Brussilof mine, Radium Hot Springs, British Columbia, Canada Hot Springs, British Columbia, Canada

Orange cubic crysatls to 1.5mm.

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