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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Tincalconite from
Searles Lake, San Bernardino County, California, USA


05444790017364326368821.jpg
Tincalconite

Searles Lake, San Bernardino County, California, USA
04775670017272012054812.jpg
Tincalconite, etc.

Searles Lake, San Bernardino County, California, USA
09650800017272012065605.jpg
Tincalconite

Searles Lake, San Bernardino County, California, USA
08117650017272012088957.jpg
Tincalconite

Searles Lake, San Bernardino County, California, USA
05444790017364326368821.jpg
Tincalconite

Searles Lake, San Bernardino County, California, USA
04775670017272012054812.jpg
Tincalconite, etc.

Searles Lake, San Bernardino County, California, USA
09650800017272012065605.jpg
Tincalconite

Searles Lake, San Bernardino County, California, USA
08117650017272012088957.jpg
Tincalconite

Searles Lake, San Bernardino County, California, USA
07838810017364326361314.jpg
Tincalconite

Searles Lake, San Bernardino County, California, USA
04775670017272012054812.jpg
Tincalconite, etc.

Searles Lake, San Bernardino County, California, USA
07358470017272012118101.jpg
Tincalconite

Searles Lake, San Bernardino County, California, USA
09116790017364326361076.jpg
Tincalconite

Searles Lake, San Bernardino County, California, USA
Locality type:Saline Lake
Classification
Species:Tincalconite
Formula:Na2(B4O7) · 5H2O
Comments:Occurs as a primary mineral, not a dehydration product of borax. Well-formed crystals to 4 mm in drill cores in lower salt.
Confirmation
Validity:Valid - Type Locality
Associated Minerals Based on Photo Data:
Hanksite6
Borax5
Gypsum2
Data
Mineral Data:Click here to view Tincalconite data
Locality Data:Click here to view Searles Lake, San Bernardino County, California, USA
Photo GalleryView Gallery (14 photos)
Data Identifiers
Mindat Occurrence Record ID:58519
Long-form Identifier:1:3:58519:4
GUID (UUID V4):0
Nearest other occurrences of Tincalconite
68.8km (42.8 miles) ⓘEagle Borax Spring, Inyo County, California, USA
82.4km (51.2 miles) ⓘRio Tinto Borax Mine, Kramer Borate deposit, Boron, Kern County, California, USA
82.6km (51.3 miles) ⓘKramer Borate deposit, Boron, Kern County, California, USA
82.9km (51.5 miles) ⓘCalifornia Borate Company property, Kramer Borate deposit, Boron, Kern County, California, USA
89.2km (55.4 miles) ⓘFurnace Creek Mining District (Furnace Creek Borate Mining District), Inyo County, California, USA
References
 
and/or  
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