Provenite

Morro Velho Mine (Nova Lima)

MineUnknownDraft data

19.5833° S, 43.5167° W · ± 10 km

Dolomite from Minas Gerais, Brazil, with photos of specimens from this locality.

View on the map

Minerals found here

Dolomite

On the same specimen

Same specimen Pyrrhotite with Dolomite

1 specimen photo(s) from this locality show dolomite with pyrrhotite together. The pairing comes from the photographer's file name and label, so the relationship between the two minerals is not specified.

Same specimen Quartz with Dolomite

1 specimen photo(s) from this locality show dolomite with quartz together. The pairing comes from the photographer's file name and label, so the relationship between the two minerals is not specified.

Dolomite at Morro Velho Mine (Nova Lima)

Translucent bladed dolomite rosettes with pyrrhotite on quartz from a deep gold mine

Rosette of glassy, flattened gray dolomite crystals with pyrrhotite on quartz.
Rosette of glassy, flattened gray dolomite crystals with pyrrhotite on quartz.
Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source
Translucent dolomite blades and pyrrhotite on quartz.
Translucent dolomite blades and pyrrhotite on quartz.
Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source
Amber discoidal siderite crystals with colourless dolomite.
Amber discoidal siderite crystals with colourless dolomite.
Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source
Formula
CaMg(CO₃)₂
Morphology
Flattened bladed crystals in rosettes
Color / luster
Translucent gray to colourless; glassy
Associated minerals
Pyrrhotitequartzsiderite

Sources: SRC-504 SRC-471

About Dolomite →

Geology of the locality

Setting
Historic gold mine complex of the Iron Quadrangle, worked since 1725
Region
Minas Gerais
Country
Brazil

Coordinates from Wikipedia (minute precision). Includes Mina Velha and Mina Grande; parts of the complex closed in 2003-2004.

Sources: SRC-480 SRC-471

Sources

  1. SRC-480 · Website
    Morro VelhoWikipedia contributors · Wikipedia
  2. SRC-471 · Book
    Handbook of Mineralogy - DolomiteAnthony, J.W.; Bideaux, R.A.; Bladh, K.W.; Nichols, M.C. · 2005 · Mineral Data Publishing / Mineralogical Society of America
  3. SRC-504 · Website
    File:Dolomite-Pyrrhotite-Quartz-250191.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.