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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Dolomite from
Nant-y-Car Mine, Rhayader, Powys, Wales, UK


Locality type:Mine
Classification
Species:Dolomite
Formula:CaMg(CO3)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Dolomite data
Locality Data:Click here to view Nant-y-Car Mine, Rhayader, Powys, Wales, UK
Data Identifiers
Mindat Occurrence Record ID:40506
Long-form Identifier:1:3:40506:5
GUID (UUID V4):0
Nearest other occurrences of Dolomite
1.1km (0.7 miles) ⓘDalrhiw, Rhayader, Powys, Wales, UK
1.2km (0.7 miles) ⓘRhiwnant Mine, Rhayader, Powys, Wales, UK
4.6km (2.8 miles) ⓘCwm Elan Mine, Rhayader, Powys, Wales, UK
20.6km (12.8 miles) ⓘGrogwinion Mine, Pontrhydygroes, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UK
23.2km (14.4 miles) ⓘCastell Mine (Dyffryn Castell Mine; New Castell Mine; West Esgair Lle Mine; Gwaithddu Mine; Cripiau Bach Mine), Ponterwyd, Cwmrheidol, Ceredigion, Wales, UK
23.3km (14.5 miles) ⓘCwmrheidol Mine, Ystumtuen, Cwmrheidol, Ceredigion, Wales, UK
24.9km (15.4 miles) ⓘGeufron Mine, Llanidloes, Powys, Wales, UK
26.2km (16.3 miles) ⓘNantiago Mine (Plynlimmon Mine), Hafren Forest, Powys, Wales, UK
28.2km (17.5 miles) ⓘCeunant Mine, Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK
29.5km (18.3 miles) ⓘCwmsymlog Mine (East Daren Mine; Gwaithddu Mine), Goginan, Trefeirig, Ceredigion, Wales, UK
References
 
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