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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Hornblende Root Name Group from
Meldon Quarry, Okehampton Hamlets, West Devon, Devon, England, UK


Locality type:Quarry
Classification
Species:'Hornblende Root Name Group' (not an IMA approved species)
Formula:◻Ca2(C42+C3+)(AlSi7O22)W2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Hornblende Root Name Group data
Locality Data:Click here to view Meldon Quarry, Okehampton Hamlets, West Devon, Devon, England, UK
Data Identifiers
Mindat Occurrence Record ID:13657
Long-form Identifier:1:3:13657:2
GUID (UUID V4):0
Nearest other occurrences of Hornblende Root Name Group
0.7km (0.5 miles) ⓘMeldon Mine, Okehampton Hamlets, West Devon, Devon, England, UK
73.5km (45.7 miles) ⓘGreat Dowgas Mine (St Stephen Tin and Copper Mines), Downderry, St Stephen-in-Brannel, Cornwall, England, UK
74.9km (46.5 miles) ⓘSouth Terras Mine (Resugga & Tolgarrick Mine; Union Mine; Uranium Mine), St Stephen-in-Brannel, Cornwall, England, UK
85.7km (53.3 miles) ⓘGreat Retallack Mine, Perran Iron Lode (Great Perran Iron Lode), Perranzabuloe, Cornwall, England, UK
97.3km (60.4 miles) ⓘLower Treluswell, St Gluvias, Cornwall, England, UK
99.8km (62.0 miles) ⓘTresavean Mine, Lanner, Lanner, Cornwall, England, UK
References
 
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