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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Siltstone from
Gecko Mine (Explorer 1), Tennant Creek, Barkly Region, Northern Territory, Australia


Locality type:Mine
Classification
Type:Siltstone
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Siltstone data
Locality Data:Click here to view Gecko Mine (Explorer 1), Tennant Creek, Barkly Region, Northern Territory, Australia
Data Identifiers
Mindat Occurrence Record ID:1078226
Long-form Identifier:1:3:1078226:4
GUID (UUID V4):0
Nearest other occurrences of Siltstone
2.4km (1.5 miles) ⓘOlivewood Gold Mine (Olive Wood Mine; One-Oh-Two; One-Oh-Three; Havelock; Orlando East; 102 prospect), Tennant Creek, Barkly Region, Northern Territory, Australia
3.7km (2.3 miles) ⓘBomber prospect (Explorer 86), Tennant Creek, Barkly Region, Northern Territory, Australia
4.7km (2.9 miles) ⓘPigale prospect (Explorer 209), Tennant Creek, Barkly Region, Northern Territory, Australia
5.4km (3.3 miles) ⓘPinot prospect (Explorer 118; Explorer 118S), Tennant Creek, Barkly Region, Northern Territory, Australia
5.9km (3.6 miles) ⓘFranc prospect (Explorer 14), Tennant Creek, Barkly Region, Northern Territory, Australia
5.9km (3.7 miles) ⓘQueen of Sheba Gold Mine (Evening Star; Morning Star), Tennant Creek, Barkly Region, Northern Territory, Australia
8.9km (5.5 miles) ⓘCleo's Gift Gold Mine, Tennant Creek, Barkly Region, Northern Territory, Australia
14.8km (9.2 miles) ⓘRetsina prospect (Explorer 228), Tennant Creek, Barkly Region, Northern Territory, Australia
16.3km (10.1 miles) ⓘHermitage prospect (Explorer 26), Tennant Creek, Barkly Region, Northern Territory, Australia
16.8km (10.5 miles) ⓘCurlew Gold Mine (Red Bluff), Tennant Creek, Barkly Region, Northern Territory, Australia
References
Le Messurier, P. (1974) Summary Notes for Discussion on Crystallisation Patterns in Pyrite, from Gecko Mine, Tennant Creek, Geopeko Technical Seminar, Parkes, October 1974.
 
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