Provenite

Oatman Mining District (Moss Mine area)

AreaClosedDraft data

35.0994° N, 114.4475° W · ± 10 km

Fluorite from Arizona, United States, with photos of specimens from this locality.

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Minerals found here

Fluorite at Oatman Mining District (Moss Mine area)

Fluorite here is a vein-filling gangue mineral in gold-bearing quartz-calcite veins, in places carrying gold.

Formula
CaF₂
Morphology
Stringers and vein-filling within quartz-calcite veins
Color / luster
Colorless to pale green
Associated minerals
Quartzcalciteadulariagold
Availability
Unknown
History
The Moss Mine is a former gold-silver-fluorspar mine; gold was found embedded in fluorite in the upper workings

Sources: SRC-193 SRC-194 SRC-195

About Fluorite →

Geology of the locality

Setting
Epithermal gold-silver district in Miocene volcanic rocks of the Black Mountains; simple quartz-calcite-adularia veins, with fluorite as stringers and locally as a gold-bearing gangue mineral, notably in the Moss vein.
Type
Hydrothermal
Host rock
Andesite, trachyte and quartz monzonite porphyry
Region
Arizona
Country
United States

Coordinates (35 05 58 N, 114 26 51 W) are for the Moss Mine as given on a Mindat page and are used for the district as an approximation. The photo file page only says Oatman District, so the exact mine of the specimen is not known.

Sources: SRC-193 SRC-194 SRC-195

Sources

  1. SRC-193 · Website
    File:Fluorite-52132.jpg (Wikimedia Commons file page)Lavinsky, R.M. (photographer) · 2010 · Wikimedia Commons
  2. SRC-194 · Book
    Geology of the Oatman Gold District, Arizona (USGS Bulletin 743)Ransome, F.L. · 1923 · U.S. Geological Survey
  3. SRC-195 · Database
    Moss Mine, Gold Road Mining District, Oatman, Arizona (Mindat locality page)Mindat contributors · Mindat.org

Draft data from the Provenite workbook. Check entries against the cited sources before relying on them. Photos are open-licence images from Wikimedia Commons; the author and licence are given with each photo.