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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Hemimorphite from
Machen quarry, Machen, Caerphilly, Wales, UK


00129490017360845941588.jpg
Hemimorphite, etc.

Machen quarry, Machen, Caerphilly, Wales, UK
01363170017272019536040.jpg
Hemimorphite, etc.

Machen quarry, Machen, Caerphilly, Wales, UK
09462360017272019543412.jpg
Hemimorphite, etc.

Machen quarry, Machen, Caerphilly, Wales, UK
04503760017794372408812.jpg
Hemimorphite

Machen quarry, Machen, Caerphilly, Wales, UK
00129490017360845941588.jpg
Hemimorphite, etc.

Machen quarry, Machen, Caerphilly, Wales, UK
08894320017362708718175.jpg
Hemimorphite, etc.

Machen quarry, Machen, Caerphilly, Wales, UK
00715160017369856815045.jpg
Hemimorphite, etc.

Machen quarry, Machen, Caerphilly, Wales, UK
02665350017794371229090.jpg
Hemimorphite

Machen quarry, Machen, Caerphilly, Wales, UK
00129490017360845941588.jpg
Hemimorphite, etc.

Machen quarry, Machen, Caerphilly, Wales, UK
01363170017272019536040.jpg
Hemimorphite, etc.

Machen quarry, Machen, Caerphilly, Wales, UK
09462360017272019543412.jpg
Hemimorphite, etc.

Machen quarry, Machen, Caerphilly, Wales, UK
04827330017796929829342.jpg
Hemimorphite

Machen quarry, Machen, Caerphilly, Wales, UK
Locality type:Quarry
Classification
Species:Hemimorphite
Formula:Zn4Si2O7(OH)2 · H2O
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Cerussite6
Baryte4
Calcite2
Galena2
Aurichalcite1
Data
Mineral Data:Click here to view Hemimorphite data
Locality Data:Click here to view Machen quarry, Machen, Caerphilly, Wales, UK
Photo GalleryView Gallery (4 photos)
Data Identifiers
Mindat Occurrence Record ID:35122
Long-form Identifier:1:3:35122:3
GUID (UUID V4):0
Nearest other occurrences of Hemimorphite
2.5km (1.6 miles) ⓘClive Mine, Draethen, Caerphilly, Wales, UK
3.0km (1.9 miles) ⓘCwm Leyshon Quarry, Draethen, Caerphilly, Wales, UK
19.2km (11.9 miles) ⓘHendy Quarry, Llantrisant, Rhondda Cynon Taf, Wales, UK
79.2km (49.2 miles) ⓘNant-y-Car Mine, Rhayader, Powys, Wales, UK
92.7km (57.6 miles) ⓘEsgair Mwyn Mine, Ysbyty Ystwyth, Ceredigion, Wales, UK
94.9km (59.0 miles) ⓘHendre Felen Mine (Hendre quarry), Ysbyty Ystwyth, Ceredigion, Wales, UK
95.3km (59.2 miles) ⓘCwmystwyth Mine, Cwmystwyth, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UK
95.6km (59.4 miles) ⓘLogaulas Mine (Lisburne Mine; Logylas Mine), Lisburne Lead and Silver Mines, Ysbyty Ystwyth, Ceredigion, Wales, UK
98.9km (61.4 miles) ⓘFrongoch Mine, Pontrhydygroes, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UK
References
Plant, S.P., Jones, I.E. (1996) Minerals of Machen quarry, Mid Glamorgan, Wales. Journal of the Russell Society, 6 (1) 31-36
 
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