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Mineralpedia Details for Kamphaugite-(Y)

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Kamphaugite-(Y)

Kamphaugite-(Y)

Named in honor of the supplier of the first specimens, Norwegian mineral collector Erling Kamphaug. Kamphaugite is an uncommon mineral that occurs late in low temperature contact-metamorphosed skarn and in altered, metasomatic alkali granite, as well as in quartz-barite in carbonatized volcanic deposits. Localities for Kamphaugite include in Norway, Italy, Kazakhstan, Hungary, Russia, South Africa, Canada, the United States, and Australia.

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

Formula
Ca2Y2(CO3)4(OH)2ยท3H2
Crystal System
Tetragonal 
Crystal Habit
Spherical 
Cleavage
None, None, None 
Luster
Vitreous (Glassy) 
Color
brown, colorless, white, light yellow 
Streak
white 
Class
Tetragonal - Trapezohedral 
Hardness
2-3 
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Kamphaugite-(Y) from Paratoo Cu mine, Mt Lofty Ranges, South Australia, Australia

Kamphaugite-(Y)
            from Paratoo Cu mine, Mt Lofty Ranges, South Australia, Australia

Tiny, white to off-white single spheroids of Kamphaugite - (Y) on albitized dolomitic slatestone.

Tiny white spherules.

White hemispheres or spherules to 0.5mm scattered on matrix.

Click thumbnail images for larger view.

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