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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Southwest of Salero, Grosvenor Hills, Salero area, Tyndall Mining District, Santa Cruz County, Arizona, USAi
Regional Level Types
Southwest of Salero- not defined -
Grosvenor HillsGroup of Hills
Salero areaArea
Tyndall Mining DistrictMining District
Santa Cruz CountyCounty
ArizonaState
USACountry

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Latitude & Longitude (WGS84):
31° North , 110° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~18km
GRN:
N22W67
Köppen climate type:
BSk : Cold semi-arid (steppe) climate
Mindat Locality ID:
61201
Long-form identifier:
mindat:1:2:61201:1
GUID (UUID V4):
0


‡Ref.: Schrader, F.C. & J.M. Hill (1915), Mineral deposits of the Santa Rita and Patagonia Mountains, Arizona, USGS Bull. 582: 361.

An occurrence 2 miles SW of Salero.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


2 valid minerals.

Detailed Mineral List:

ⓘ Opal
Formula: SiO2 · nH2O
Colour: Amber-brown, yellowish-brown
Description: Occurs in a 6 inch (15 cm) vein in andesite and rhyolite.
ⓘ Opal var. Opal-AN
Formula: SiO2 · nH2O
Description: Stalactitic and stalagmitic forms on the joint and sheeting planes of the rock.
ⓘ Quartz
Formula: SiO2
Description: Stalactitic and stalagmitic forms on the joint and sheeting planes of the rock.
ⓘ Quartz var. Chalcedony
Formula: SiO2
Description: Stalactitic and stalagmitic forms on the joint and sheeting planes of the rock.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘQuartz
var. Chalcedony		4.DA.05SiO2
ⓘ4.DA.05SiO2
ⓘOpal
var. Opal-AN		4.DA.10SiO2 · nH2O
ⓘ4.DA.10SiO2 · nH2O

List of minerals for each chemical element

HHydrogen
Hⓘ Opal var. Opal-ANSiO2 · nH2O
Hⓘ OpalSiO2 · nH2O
OOxygen
Oⓘ Quartz var. ChalcedonySiO2
Oⓘ Opal var. Opal-ANSiO2 · nH2O
Oⓘ OpalSiO2 · nH2O
Oⓘ QuartzSiO2
SiSilicon
Siⓘ Quartz var. ChalcedonySiO2
Siⓘ Opal var. Opal-ANSiO2 · nH2O
Siⓘ OpalSiO2 · nH2O
Siⓘ QuartzSiO2

Other Regions, Features and Areas containing this locality

Mexico
North AmericaContinent
North America PlateTectonic Plate
USA

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