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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Plagioclase from
Prospect Quarry, Prospect Hill, Prospect, Cumberland County, New South Wales, Australia


08572290017362686309180.jpg
Plagioclase

Prospect Quarry, Prospect Hill, Prospect, Cumberland County, New South Wales, Australia
08572290017362686309180.jpg
Plagioclase

Prospect Quarry, Prospect Hill, Prospect, Cumberland County, New South Wales, Australia
05350350017272732944125.jpg
Plagioclase

Prospect Quarry, Prospect Hill, Prospect, Cumberland County, New South Wales, Australia
Locality type:Quarry
Classification
Species:'Plagioclase' (not an IMA approved species)
Formula:(Na,Ca)[(Si,Al)AlSi2]O8
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Augite2
Dolerite2
Data
Mineral Data:Click here to view Plagioclase data
Locality Data:Click here to view Prospect Quarry, Prospect Hill, Prospect, Cumberland County, New South Wales, Australia
Data Identifiers
Mindat Occurrence Record ID:8708
Long-form Identifier:1:3:8708:7
GUID (UUID V4):0
Nearest other occurrences of Plagioclase
13.0km (8.1 miles) ⓘPennant Hills Quarry (Dundas Quarry; Sir Thomas Mitchell Reserve), Dundas Valley, Cumberland County, New South Wales, Australia
32.7km (20.3 miles) ⓘNarellan meteorite, Camden County, New South Wales, Australia
70.3km (43.7 miles) ⓘTom Thumb Island (Flinders Island), Five Islands Nature Reserve, Camden County, New South Wales, Australia
71.8km (44.6 miles) ⓘCringila Quarry (Wollongong City Council Quarry), Cringila, Camden County, New South Wales, Australia
72.3km (44.9 miles) ⓘYerranderie, Westmoreland County, New South Wales, Australia
74.2km (46.1 miles) ⓘBig Island (Perkins Island; Rabbit Island), Five Islands Nature Reserve, Camden County, New South Wales, Australia
References
England, Brian M. (1994) Minerals of the Prospect Intrusion, New South Wales, Australia. The Mineralogical Record, 25 (3) 185-194
 
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