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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Rock Crystal from
Mount Ida Mountain Mine, Mount Ida, Montgomery County, Arkansas, USA


Locality type:Mine
Classification
Species:Quartz var: Rock Crystal
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Rock Crystal data
Locality Data:Click here to view Mount Ida Mountain Mine, Mount Ida, Montgomery County, Arkansas, USA
Data Identifiers
Mindat Occurrence Record ID:99367
Long-form Identifier:1:3:99367:6
GUID (UUID V4):0
Nearest other occurrences of Rock Crystal
2.9km (1.8 miles) ⓘWegner Quartz Crystal Mines, Mount Ida, Montgomery County, Arkansas, USA
4.3km (2.7 miles) ⓘHigh Peak Quartz Mine, High Peak, Norman, Montgomery County, Arkansas, USA
5.9km (3.7 miles) ⓘMonroe-Robbins Mine, Mount Ida, Montgomery County, Arkansas, USA
7.4km (4.6 miles) ⓘOcus Stanley's Mine, Fisher Mountain, Mount Ida, Montgomery County, Arkansas, USA
13.8km (8.6 miles) ⓘDiamond Drill Carbon Co. No. 3 prospect, Mount Ida, Montgomery County, Arkansas, USA
17.8km (11.0 miles) ⓘKimes Crystal area, Mount Ida, Montgomery County, Arkansas, USA
28.3km (17.6 miles) ⓘMonte Cristo Mines, Crystal Springs, Garland County, Arkansas, USA
44.3km (27.5 miles) ⓘMiller Mountain Mine, Blue Springs, Garland County, Arkansas, USA
52.3km (32.5 miles) ⓘShaw Mine, Blue Springs, Garland County, Arkansas, USA
52.7km (32.7 miles) ⓘRon Coleman Mine, Blue Springs, Garland County, Arkansas, USA
References
Rocks & Min.: 63: 113.
 
and/or  
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