Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Margaretta Mine, South Mountain, Summitville Mining District (Summit Mining District), Rio Grande County, Colorado, USAi
Regional Level Types
Margaretta MineMine
South Mountain- not defined -
Summitville Mining District (Summit Mining District)Mining District
Rio Grande CountyCounty
ColoradoState
USACountry

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Latitude & Longitude (WGS84):
37° North , 106° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~1km
GRN:
N25W62
Type:
Mine
Köppen climate type:
Dfc : Subarctic climate
Mindat Locality ID:
68125
Long-form identifier:
mindat:1:2:68125:1
GUID (UUID V4):
0


Ref: The Mines and Minerals of the Great American Rift, R.W. Holmes & M.B. Kennedy, 1983

This mine was located in 1873 on South Mountain.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


1 valid mineral.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘGold1.AA.05Au

List of minerals for each chemical element

AuGold
Auⓘ GoldAu

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate
USA

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