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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Goethite from
Wheal Trumpet (Trumpet Consols), Boderwennack, Wendron, Cornwall, England, UK


Locality type:Mine
Classification
Species:Goethite
Formula:Fe3+O(OH)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Goethite data
Locality Data:Click here to view Wheal Trumpet (Trumpet Consols), Boderwennack, Wendron, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:782294
Long-form Identifier:1:3:782294:0
GUID (UUID V4):0
Nearest other occurrences of Goethite
0.4km (0.3 miles) ⓘWheal Ann, Boderwennack, Wendron, Cornwall, England, UK
3.3km (2.1 miles) ⓘBassett & Grylls Mine (Porkellis Mine; Porkellis Tin Mines; Wheal Jantar; Balwath Mine), Porkellis, Wendron, Cornwall, England, UK
4.5km (2.8 miles) ⓘBalcoath, Porkellis, Wendron, Cornwall, England, UK
7.3km (4.6 miles) ⓘWheal Strawberry (Wheal Julia), West Briton Mine (Crowan Consols), Leedstown, Crowan, Cornwall, England, UK
7.4km (4.6 miles) ⓘBinner Downs Mine, Leedstown, Crowan, Cornwall, England, UK
7.5km (4.6 miles) ⓘGodolphin Mine (Godolphin Bal), Godolphin Cross, Breage, Cornwall, England, UK
7.9km (4.9 miles) ⓘGreat Work Mine (incl. Leeds Mine), Godolphin Cross, Breage, Cornwall, England, UK
8.5km (5.3 miles) ⓘSouth Condurrow Mine (Marshall's Shaft), Grenville United Mines, Troon, Camborne, Cornwall, England, UK
8.5km (5.3 miles) ⓘSouth Tolcarne Mine, Beacon, Camborne, Cornwall, England, UK
8.6km (5.4 miles) ⓘWheal Pendarves, Killivose, Camborne, Cornwall, England, UK
References
Henwood, William Jory (1843) On the Metalliferous Deposits of Cornwall and Devon. Transactions of the Royal Geological Society of Cornwall, 5. 1-386
 
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