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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Kidwellite from
Těškov quarry (Lom Knezska hora), Těškov, Rokycany District, Plzeň Region, Czech Republic


00167140017361193143093.jpg
Kidwellite

Těškov quarry, Těškov, Rokycany District, Plzeň Region, Czech Republic
01018620017272031428606.jpg
Kidwellite, etc.

Těškov quarry, Těškov, Rokycany District, Plzeň Region, Czech Republic
06518480017272031423511.jpg
Kidwellite, etc.

Těškov quarry, Těškov, Rokycany District, Plzeň Region, Czech Republic
00357630017272051925271.jpg
Kidwellite, etc.

Těškov quarry, Těškov, Rokycany District, Plzeň Region, Czech Republic
00645220017364732684337.jpg
Kidwellite

Těškov quarry, Těškov, Rokycany District, Plzeň Region, Czech Republic
01018620017272031428606.jpg
Kidwellite, etc.

Těškov quarry, Těškov, Rokycany District, Plzeň Region, Czech Republic
06518480017272031423511.jpg
Kidwellite, etc.

Těškov quarry, Těškov, Rokycany District, Plzeň Region, Czech Republic
00357630017272051925271.jpg
Kidwellite, etc.

Těškov quarry, Těškov, Rokycany District, Plzeň Region, Czech Republic
02784050017361193158266.jpg
Kidwellite

Těškov quarry, Těškov, Rokycany District, Plzeň Region, Czech Republic
01018620017272031428606.jpg
Kidwellite, etc.

Těškov quarry, Těškov, Rokycany District, Plzeň Region, Czech Republic
06518480017272031423511.jpg
Kidwellite, etc.

Těškov quarry, Těškov, Rokycany District, Plzeň Region, Czech Republic
00357630017272051925271.jpg
Kidwellite, etc.

Těškov quarry, Těškov, Rokycany District, Plzeň Region, Czech Republic
Locality type:Quarry
Classification
Species:Kidwellite
Formula:NaFe3+9+x(PO4)6(OH)11 · 3H2O, x = 0.33
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Leucophosphite5
Meurigite-K5
Dufrénite4
Strengite4
Quartz2
Goethite1
Data
Mineral Data:Click here to view Kidwellite data
Locality Data:Click here to view Těškov quarry (Lom Knezska hora), Těškov, Rokycany District, Plzeň Region, Czech Republic
Photo GalleryView Gallery (4 photos)
Data Identifiers
Mindat Occurrence Record ID:348294
Long-form Identifier:1:3:348294:0
GUID (UUID V4):0
Nearest other occurrences of Kidwellite
91.3km (56.7 miles) ⓘHagendorf South Pegmatite, Hagendorf, Waidhaus, Neustadt an der Waldnaab District, Upper Palatinate, Bavaria, Germany
92.9km (57.7 miles) ⓘHühnerkobel Mine (Hennenkobel Mine), Rabenstein, Zwiesel, Regen District, Lower Bavaria, Bavaria, Germany
94.8km (58.9 miles) ⓘKreuzberg (Rose quartz cliff), Pleystein, Neustadt an der Waldnaab District, Upper Palatinate, Bavaria, Germany
99.7km (61.9 miles) ⓘNa Zoubku phosphate occurrence, Křeč, Pelhřimov District, Vysočina Region, Czech Republic
References
Janouš, F. (1995): Minerály z Kněží hory u Těškova (okres Rokycany). Minerál, 3 (6), 367-369.
 
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