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Mineralpedia Details for Tavorite

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Tavorite

Tavorite

Named for Dr. Elysiario Tavora, a Professor of Mineralogy at the University of Brazil in Rio de Janeiro, Brazil. Tavorite is a secondary mineral that is a result of the oxidation of phosphates in granite pegmatites and occurs in just a few localities including Brazil, Germany, Rwanda, Namibia, Morocco, and Portugal. In the United States, Tavorite can be found in a few states including here in the Black Hills of South Dakota in the Custer Mountain, Hot Shot, Bull Moose, Hesnard, ,and White Elephant mines, among others, with particularly good crystals from the Tip Top mine.

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

Formula
LiFe3+PO4(OH) 
Crystal System
Triclinic 
Crystal Habit
Crystalline - Fine 
Cleavage
Distinct, Distinct, Distinct 
Luster
Vitreous (Glassy) 
Color
grass green, greenish yellow, yellow green, yellow 
Streak
light green 
Class
Triclinic 
Hardness
WebMineral
View Tavorite 
Mindat
View Tavorite 

Tavorite from Tip Top mine, Custer Co., South Dakota, United States

Tavorite
            from Tip Top mine, Custer Co., South Dakota, United States

Bladed, book-like clusters of Tavorite crystals, 0.5-1cm.

Click thumbnail images for larger view.

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