Provenite

Idarado Mine

MineUnknownDraft data

37.9151° N, 107.7003° W · ± 1 km

Sphalerite from Colorado, United States, with photos of specimens from this locality.

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Minerals found here

Sphalerite

Sphalerite at Idarado Mine

Lustrous black tetrahedral sphalerite crystals with minor chalcopyrite, labelled Idarado Mine, Telluride.
Lustrous black tetrahedral sphalerite crystals with minor chalcopyrite, labelled Idarado Mine, Telluride.
Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source
Cabinet specimen of lustrous black sphalerite crystals with sharp tetrahedral forms, collected on the 2500 Level (Japan Vein) of the Idarado Mine.
Cabinet specimen of lustrous black sphalerite crystals with sharp tetrahedral forms, collected on the 2500 Level (Japan Vein) of the Idarado Mine.
Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source
Second view of the Idarado Mine (2500 Level, Japan Vein) specimen of sharp, lustrous black sphalerite crystals.
Second view of the Idarado Mine (2500 Level, Japan Vein) specimen of sharp, lustrous black sphalerite crystals.
Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source
Formula
(Zn,Fe)S
Morphology
Sharp tetrahedral crystals
Typical size
Specimen about 2.3 cm
Color / luster
Lustrous jet black
Associated minerals
Chalcopyrite (minor)

Sources: SRC-265

About Sphalerite →

Geology of the locality

Setting
Replacement ore body near Telluride, Ouray (Uncompahgre) district (per specimen label).
Type
Hydrothermal
Region
Colorado
Country
United States

Telluride, San Miguel County. Coordinates not filled: no coordinate source could be opened in this session. Coordinates: Idarado Mine as placed by Wikipedia (near the ghost town of Guston, Ouray County); the underground workings extend about 5 miles west toward Telluride, so this is a single point on the mine, not the whole system. Coordinates: Idarado Mine as placed by Wikipedia (near the ghost town of Guston, Ouray County); the underground workings extend about 5 miles west toward Telluride, so this is a single point on the mine, not the whole system. Coordinates: Idarado Mine as placed by Wikipedia (near the ghost town of Guston, Ouray County); the underground workings extend about 5 miles west toward Telluride, so this is a single point on the mine, not the whole system.

Sources: SRC-265 SRC-305

Sources

  1. SRC-265 · Website
    File:Sphalerite-221270.jpgRobert M. Lavinsky (photo); Wikimedia Commons · 2010 · Wikimedia Commons (via vigyanwiki.in mirror)
  2. SRC-305 · Website
    Idarado Mine - Wikipedia

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.