Provenite

Ojuela Mine (Mapimi)

MineClosedDraft data

25.7936° N, 103.7914° W · ± 1 km

Dolomite from Durango, Mexico, with photos of specimens from this locality.

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Minerals found here

Dolomite

Dolomite at Ojuela Mine (Mapimi)

White dolomite crystals with orange hemimorphite on limonite from the oxidized zone

White dolomite crystals up to 4 cm rising from limonite with small hemimorphite crystals.
White dolomite crystals up to 4 cm rising from limonite with small hemimorphite crystals.
Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source
Cabinet specimen of white dolomite crystals on limonite matrix.
Cabinet specimen of white dolomite crystals on limonite matrix.
Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source
Formula
CaMg(CO₃)₂
Morphology
Sharp sculptural crystals
Typical size
Up to about 4 cm
Color / luster
White
Associated minerals
Hemimorphitelimonite

Sources: SRC-509 SRC-484

About Dolomite →

Geology of the locality

Setting
Carbonate replacement deposit with a deeply oxidized zone
Type
Hydrothermal
Region
Durango
Country
Mexico

About 5 km northwest of Mapimi; discovered 1598; ore exhausted and settlement abandoned. Coordinates from Wikipedia.

Sources: SRC-483 SRC-064 SRC-484

Sources

  1. SRC-483 · Website
    Ojuela MineWikipedia contributors · Wikipedia
  2. SRC-064 · Article
    Mineralogy of the Santa Eulalia Mining District, Chihuahua, MexicoMegaw, P.K.M. · 2018 · 39th Annual New Mexico Mineral Symposium, abstracts, pp. 22-24
  3. SRC-484 · Website
    Hemimorphite from Ojuela Mine, Mexico: Collecting GuideEarthWonders · EarthWonders
  4. SRC-509 · Website
    File:Dolomite-36949.jpg (Wikimedia Commons)Robert M. Lavinsky · Wikimedia Commons

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.