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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Melvina, Gold Hill Mining District, Boulder County, Colorado, USAi
Regional Level Types
MelvinaMine
Gold Hill Mining DistrictMining District
Boulder CountyCounty
ColoradoState
USACountry

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Latitude & Longitude (WGS84):
40° 3' 7'' North , 105° 23' 11'' West
Latitude & Longitude (decimal):
40.05194,-105.38667
GeoHash:
G#: 9xj5cg5z2
GRN:
N27W59
Type:
Mine
Köppen climate type:
BSk : Cold semi-arid (steppe) climate
Nearest Settlements:
PlacePopulationDistance
Sunshine230 (2011)2.3km
Gold Hill230 (2011)2.3km
Crisman186 (2011)2.5km
Mountain Meadows274 (2011)3.2km
Sugarloaf261 (2011)4.3km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Flatirons Mineral ClubBoulder, Colorado11km
Mile High Rock and Mineral SocietyArvada, Colorado38km
Colorado Mineral SocietyLakewood, Colorado47km
Denver Gem and Mineral GuildDenver, Colorado49km
Friends of Mineralogy - Colorado Chapter Denver, Colorado49km
Mindat Locality ID:
110264
Long-form identifier:
mindat:1:2:110264:5
GUID (UUID V4):
0


REF:Deposit:: LOVERING AND GODDARD, 1950, USGS P.P. 223, PG 254
Deposit:: USGS GOLD HILL TOPO QUAD, 1957, 7 1/2 MIN.
Deposit:: CONSV. DIV. COMP. DATE, 1,62
Deposit:: REF. VANDERWILT MINERAL RESOURCESOF COLO. P 320
Deposit:: REF USGS PROF PAPER 223 PLATE 3
Commodities (Major) - Gold
Deposit Type: Vein
Development Status: Producer
Host Rock: Granite

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


11 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Altaite
Formula: PbTe
ⓘ Coloradoite
Formula: HgTe
ⓘ Fluorite
Formula: CaF2
ⓘ Galena
Formula: PbS
ⓘ Krennerite
Formula: Au3AgTe8
ⓘ Melonite
Formula: NiTe2
ⓘ Native Gold
Formula: Au
ⓘ Native Tellurium
Formula: Te
ⓘ Pyrite
Formula: FeS2
ⓘ Quartz
Formula: SiO2
ⓘ Sylvanite
Formula: AgAuTe4

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Gold1.AA.05Au
ⓘNative Tellurium1.CC.10Te
Group 2 - Sulphides and Sulfosalts
ⓘColoradoite2.CB.05aHgTe
ⓘAltaite2.CD.10PbTe
ⓘGalena2.CD.10PbS
ⓘSylvanite2.EA.05AgAuTe4
ⓘKrennerite2.EA.15Au3AgTe8
ⓘMelonite2.EA.20NiTe2
ⓘPyrite2.EB.05aFeS2
Group 3 - Halides
ⓘFluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2

List of minerals for each chemical element

OOxygen
Oⓘ QuartzSiO2
FFluorine
Fⓘ FluoriteCaF2
SiSilicon
Siⓘ QuartzSiO2
SSulfur
Sⓘ GalenaPbS
Sⓘ PyriteFeS2
CaCalcium
Caⓘ FluoriteCaF2
FeIron
Feⓘ PyriteFeS2
NiNickel
Niⓘ MeloniteNiTe2
AgSilver
Agⓘ KrenneriteAu3AgTe8
Agⓘ SylvaniteAgAuTe4
TeTellurium
Teⓘ AltaitePbTe
Teⓘ ColoradoiteHgTe
Teⓘ KrenneriteAu3AgTe8
Teⓘ MeloniteNiTe2
Teⓘ SylvaniteAgAuTe4
Teⓘ Native TelluriumTe
AuGold
Auⓘ Native GoldAu
Auⓘ KrenneriteAu3AgTe8
Auⓘ SylvaniteAgAuTe4
HgMercury
Hgⓘ ColoradoiteHgTe
PbLead
Pbⓘ AltaitePbTe
Pbⓘ GalenaPbS

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate

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.
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