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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Hamilton Mine, Blanca Mining District, Costilla County, Colorado, USAi
Regional Level Types
Hamilton MineMine
Blanca Mining DistrictMining District
Costilla CountyCounty
ColoradoState
USACountry

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Latitude & Longitude (WGS84):
37° 33' 22'' North , 105° 29' 14'' West
Latitude & Longitude (decimal):
37.55611,-105.48722
GRN:
N26W60
Type:
Mine
Köppen climate type:
Dfb : Warm-summer humid continental climate
Nearest Settlements:
PlacePopulationDistance
Blanca370 (2017)13.4km
Fort Garland433 (2011)14.9km
Alamosa East1,458 (2011)32.5km
Alamosa9,819 (2017)35.1km
San Luis618 (2017)39.9km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Colorado ProspectorAlamosa, Colorado35km
Mindat Locality ID:
11722
Long-form identifier:
mindat:1:2:11722:4
GUID (UUID V4):
0



REF:Deposit:: VANDERWILT, J.W., 1947, MINERAL RESOURCES OF COLORADO: COLO. MINERAL RESOURCES BD., P. 31
Deposit:: ECKEL, E.B., 1961, USGS BULL. 1114, P. 322-323.
Deposit:: HENDERSON, C.W., 1926, MINING IN COLORADO--A HISTORY OF DISCOVERY, DEVELOPMENT, AND
Commodities (Major) - Gold, Silver; (Trace) - Tellurium, Lead, Bismuth
Deposit Type: Vein
Development Status: Occurrence
Host Rock Unit: Hornblende Gneiss And Amphibolite, Recent Alluvium
Structure: Sierra Blanca Massif, Rio Grande Rift Zone, Ft. Garland Embayment
Host Rock: Hornblendite, Gneiss, Amphibolite, Quartzite
Tectonic Structure: Central Cordillera (Southern Rocky Mtns)

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


5 valid minerals.

Rock Types Recorded


Select Rock List Type

Alphabetical List Tree Diagram

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Gold1.AA.05Au
Group 2 - Sulphides and Sulfosalts
ⓘHessite2.BA.60Ag2Te
ⓘAltaite2.CD.10PbTe
ⓘTellurobismuthite2.DC.05Bi2Te3
ⓘPyrite2.EB.05aFeS2

List of minerals for each chemical element

SSulfur
Sⓘ PyriteFeS2
FeIron
Feⓘ PyriteFeS2
AgSilver
Agⓘ HessiteAg2Te
TeTellurium
Teⓘ AltaitePbTe
Teⓘ HessiteAg2Te
Teⓘ TellurobismuthiteBi2Te3
AuGold
Auⓘ Native GoldAu
PbLead
Pbⓘ AltaitePbTe
BiBismuth
Biⓘ TellurobismuthiteBi2Te3

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate
USA

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Dana 6:A2:110 & Dana 7:I:161.
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