Mineralpedia Details for 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)₂·2H₂O 

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

3 

WebMineral

View Martyite 

Mindat

View Martyite 

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!