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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Meionite from
Redemption Iron Mine, Franklin Hill Iron Deposit (Tarriff; Courtney Manganiferous Iron Deposit; Courtney Prospect), Philipsburg Mining District (Flint Creek Mining District), Granite County, Montana, USA


Locality type:Mine
Classification
Species:Meionite
Formula:Ca4Al6Si6O24CO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Meionite data
Locality Data:Click here to view Redemption Iron Mine, Franklin Hill Iron Deposit (Tarriff; Courtney Manganiferous Iron Deposit; Courtney Prospect), Philipsburg Mining District (Flint Creek Mining District), Granite County, Montana, USA
Data Identifiers
Mindat Occurrence Record ID:784662
Long-form Identifier:1:3:784662:5
GUID (UUID V4):0
Nearest other occurrences of Meionite
89.6km (55.7 miles) ⓘDelmoe Road skarn, Delmoe Lake Road occurrences, Pipestone Mining District, Jefferson County, Montana, USA
97.2km (60.4 miles) ⓘCrazy Sphinx Mine (Dry Gulch; Crazy Sphinx claim), Helena, Helena Mining District (Spring Hill Mining District), Lewis and Clark County, Montana, USA
References
Gobla, Michael J. (2012) Montana Mineral Locality Index. Rocks & Minerals, 87 (3) 208-240 doi:10.1080/00357529.2012.676825
 
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