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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Hydrozincite from
Llechwedd Helyg Mine (Willow Bank Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK


Locality type:Mine
Classification
Species:Hydrozincite
Formula:Zn5(CO3)2(OH)6
Habit:Thin Crusts
Colour:White
Luminescent properties:Whiteish blue
Quality for species:Poor for species, only of interest for locality collectors. (#)
Abundance at site:Rare
Confirmation
Validity:Confirmed
Confirmation Methods:Visual (Fluorescence)
Data
Mineral Data:Click here to view Hydrozincite data
Locality Data:Click here to view Llechwedd Helyg Mine (Willow Bank Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK
Data Identifiers
Mindat Occurrence Record ID:16505
Long-form Identifier:1:3:16505:1
GUID (UUID V4):0
Nearest other occurrences of Hydrozincite
3.1km (1.9 miles) ⓘBwlch Mine (Bwlch Consols Mine; Bwlch United Mine; Bwlch Cwmerfin Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK
3.2km (2.0 miles) ⓘBwlchrhennaid Mine (Level Newydd Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK
3.9km (2.4 miles) ⓘBwlch Glas Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
6.4km (4.0 miles) ⓘHenfwlch Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
6.5km (4.1 miles) ⓘPensarn Mine, Tre-Taliesin, Llangynfelyn, Ceredigion, Wales, UK
6.8km (4.2 miles) ⓘEaglebrook Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
8.1km (5.1 miles) ⓘEsgair Hir & Esgair Fraith mines (Cambrian Mine; Cardigan Consolidated Mine; Welsh Potosi Mine; Kylon Potosi Mine), Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK
8.2km (5.1 miles) ⓘPenrhiw Mine (Penyberth Mine), Ystumtuen, Cwmrheidol, Ceredigion, Wales, UK
9.9km (6.1 miles) ⓘCastell Mine (Dyffryn Castell Mine; New Castell Mine; West Esgair Lle Mine; Gwaithddu Mine; Cripiau Bach Mine), Ponterwyd, Cwmrheidol, Ceredigion, Wales, UK
11.2km (6.9 miles) ⓘFrongoch Mine, Pontrhydygroes, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UK
References
Jones, A. D. (1987) The minerals of Llechwedd Helyg. UK Journal of Mines and Minerals 3, 25-27
 
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