Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Alkali Feldspar from
Myalla Road Syenite Complex, Cooma, Beresford Co., New South Wales, Australia


Locality type:Complex
Classification
Species:'Alkali Feldspar' (not an IMA approved species)
Age information
Maximum recorded age:165 ± 3 Ma
Minimum recorded age:163 ± 5 Ma
Sample ages:
Recorded ageGeologic TimeSampleDating method
1165 ± 3 to 163 ± 5 MaJurassic - K-Ar
Sample references:
1 -
McDougall, I., & Wellman, P. (1976). Potassium?argon ages for some Australian Mesozoic igneous rocks. Journal of the Geological Society of Australia, 23(1), 1-9.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Alkali Feldspar data
Locality Data:Click here to view Myalla Road Syenite Complex, Cooma, Beresford Co., New South Wales, Australia
Data Identifiers
Mindat Occurrence Record ID:1367948
Long-form Identifier:1:3:1367948:4
GUID (UUID V4):0
Nearest other occurrences of Alkali Feldspar
66.3km (41.2 miles) ⓘKiandra, Wallace Co., New South Wales, Australia
90.8km (56.4 miles) ⓘMount Dromedary Intrusion, Dromedary Complex, Dampier Co., New South Wales, Australia
96.8km (60.1 miles) ⓘJingera Complex, Egan Peaks Nature Reserve, Auckland Co., New South Wales, Australia
References
Morrison, F. 1980. The geology of syenites at Benambra, NE Victoria. BSc (Hons) thesis. Australian National University.
McDougall, I., & Wellman, P. (1976). Potassium?argon ages for some Australian Mesozoic igneous rocks. Journal of the Geological Society of Australia, 23(1), 1-9.
Jaques, A. L., Creaser, R. A., Ferguson, J., & Smith, C. B. (1985). A review of the alkaline rocks of Australia. Verhandelinge van die Geologiese Vereniging van Suid-Afrika, 88(2), 311-334.
 
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