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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Silica from
Unnamed Silica occurrence [1], Ord Mountain, Ord Mountains, Ord Mining District, San Bernardino County, California, USA


Locality type:Occurrence
Classification
Species:'Silica' (not an IMA approved species)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Silica data
Locality Data:Click here to view Unnamed Silica occurrence [1], Ord Mountain, Ord Mountains, Ord Mining District, San Bernardino County, California, USA
Data Identifiers
Mindat Occurrence Record ID:1014645
Long-form Identifier:1:3:1014645:3
GUID (UUID V4):0
Nearest other occurrences of Silica
23.1km (14.3 miles) ⓘSection 20 Hills deposits, Daggett Ridge, Belleville Mining District, San Bernardino County, California, USA
34.4km (21.4 miles) ⓘUnnamed Silica occurrence [3] (Unnamed Quartz occurrence), Calico, Calico District (Daggett District; Calico-Daggett area), Calico Mts (Calico Hills), San Bernardino County, California, USA
40.8km (25.3 miles) ⓘAtlas Fire Brick Company Ganister Mine (Kennedy), Hodge, San Bernardino County, California, USA
42.8km (26.6 miles) ⓘQuartzite Mountain Quarry [1] (Quartzite Mtn Quarry; Emsco Quartzite), Quartzite Mountain, Oro Grande Mining District, San Bernardino County, California, USA
43.9km (27.3 miles) ⓘUnnamed Silica quarry [5] (Southern Pacific Company property), Mud Hills (Strontium Hills), Barstow Mining District, San Bernardino County, California, USA
45.8km (28.5 miles) ⓘSuperior Silica Quarry, Oro Grande, Oro Grande Mining District, San Bernardino County, California, USA
46.1km (28.6 miles) ⓘQuartzite Mountain Quarry [2] (Quartzite Mtn Quarry), Quartzite Mountain, Oro Grande Mining District, San Bernardino County, California, USA
47.8km (29.7 miles) ⓘAtlas Silica Quarry (Western Refractories Company; Atlas; Atlas deposit), Oro Grande, Oro Grande Mining District, San Bernardino County, California, USA
48.0km (29.8 miles) ⓘRiverside Cement Company Quarry (Shay Quarry), Oro Grande, Oro Grande Mining District, San Bernardino County, California, USA
48.3km (30.0 miles) ⓘMartre White pit and mill (Marter White pit & mill; Thorne plant), Victorville, San Bernardino County, California, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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