Provenite

Tazna Mine (Tasna)

MineUnknownDraft data

20.6309° S, 66.1869° W · ± 10 km

Siderite from Potosi, Bolivia, with photos of specimens from this locality.

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Minerals found here

Siderite

Siderite at Tazna Mine (Tasna)

Greenish-brown compressed siderite rhombohedra with a partial pyrite crystal from the Tazna Mine.
Greenish-brown compressed siderite rhombohedra with a partial pyrite crystal from the Tazna Mine.
Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source
Semi-lustrous greenish-brown siderite rhombohedra with pyrite from the Tazna Mine.
Semi-lustrous greenish-brown siderite rhombohedra with pyrite from the Tazna Mine.
Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source
Formula
FeCO₃
Morphology
Compressed rhombohedra
Typical size
Specimens about 8 cm
Color / luster
Greenish-brown, semi-lustrous
Associated minerals
Pyrite
Availability
Unknown
History
Specimens from a find in 2004.

Sources: SRC-593 SRC-613

About Siderite →

Geology of the locality

Setting
Bismuth-tin-tungsten-silver vein district with tabular orebodies, tourmalinization and silicification.
Type
Hydrothermal
Host rock
Shale
Region
Potosi
Country
Bolivia

Coordinates are the district point of the USGS MRDS record for the Tasna district (W002053). No second source documenting siderite was opened.

Sources: SRC-593

Sources

  1. SRC-593 · Database
    Mine detail: Tasna District (MRDS W002053)U.S. Geological Survey (MRDS), via mineralresourcemap.com · mineralresourcemap.com
  2. SRC-613 · Website
    File:Siderite-196018.jpgRobert 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.