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Mineralpedia Details for Martyite

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Martyite

Martyite

Named after Joe Marty for his contributions to the science of mineralogy. Martyite is a rare mineral found only at the type locality in the Blue Cap mine in Utah, USA. Here it occurs as a product of groundwater leaching and oxidation of vanadium oxides in a post-mining environment.” Associated minerals include gypsum, rossite, pyite, montroseite, and magnesiopascoite.

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

Formula
Zn3V2O7(OH)2ยท2H2
Crystal System
Trigonal 
Crystal Habit
Platy, Rosette 
Cleavage
Perfect, Good, None 
Luster
Adamantine 
Color
yellow orange, red orange 
Streak
pale yellow orange 
Class
Trigonal - Hexagonal Scalenohedral 
Hardness
WebMineral
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Mindat
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Martyite from Blue Cap mine, San Juan Co., Utah, United States

Martyite
            from Blue Cap mine, San Juan Co., Utah, United States

Martyite is a zinc-vanadium oxide and is the zinc analogue of Volborthite. It is named for Joe Marty an field collector of Utah minerals. Joe is expert on the vanadium phases of the vanadium-uranium mines of Utah. He was recently inducted into the Micromounters Hall of Fame and has over 10,000 catalogued micromunts!

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