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
Greystone Quarry, Lezant, Cornwall, England, UK


01851240017272037642414.jpg
Hemimorphite

Greystone Quarry, Lezant, Cornwall, England, UK
00414780017271982018378.jpg
Hemimorphite

Greystone Quarry, Lezant, Cornwall, England, UK
09371850017271982039211.jpg
Hemimorphite

Greystone Quarry, Lezant, Cornwall, England, UK
03433870017271982072102.jpg
Hemimorphite, etc.

Greystone Quarry, Lezant, Cornwall, England, UK
09196330017366877586858.jpg
Hemimorphite

Greystone Quarry, Lezant, Cornwall, England, UK
01731290017366877593286.jpg
Hemimorphite

Greystone Quarry, Lezant, Cornwall, England, UK
09371850017271982039211.jpg
Hemimorphite

Greystone Quarry, Lezant, Cornwall, England, UK
06015670017371105123835.jpg
Hemimorphite, etc.

Greystone Quarry, Lezant, Cornwall, England, UK
01851240017272037642414.jpg
Hemimorphite

Greystone Quarry, Lezant, Cornwall, England, UK
00414780017271982018378.jpg
Hemimorphite

Greystone Quarry, Lezant, Cornwall, England, UK
09371850017271982039211.jpg
Hemimorphite

Greystone Quarry, Lezant, Cornwall, England, UK
03433870017271982072102.jpg
Hemimorphite, etc.

Greystone Quarry, Lezant, Cornwall, England, UK
Locality type:Quarry
Classification
Species:Hemimorphite
Formula:Zn4Si2O7(OH)2 · H2O
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Aurichalcite11
Cerussite6
Galena6
Quartz6
Malachite5
Rosasite1
Data
Mineral Data:Click here to view Hemimorphite data
Locality Data:Click here to view Greystone Quarry, Lezant, Cornwall, England, UK
Photo GalleryView Gallery (10 photos)
Data Identifiers
Mindat Occurrence Record ID:6168
Long-form Identifier:1:3:6168:1
GUID (UUID V4):0
Nearest other occurrences of Hemimorphite
8.5km (5.3 miles) ⓘHolmbush Mine, Callington United Mines (incl. Emmens United Mines), Stokeclimsland, Cornwall, England, UK
37.3km (23.2 miles) ⓘFowey Consols (incl. Wheal Treasure; Wheal Fortune; Wheal Chance), Tywardreath and Par, Cornwall, England, UK
88.5km (55.0 miles) ⓘWheal Herland (Old Herland Mine; Manor Mine; North Wheal Herland), Rosewarne and Herland United Mines (Rosewarne and Herland Mine; incl. Wheal Fancy; Wheal Pleasure), Gwinear, Gwinear-Gwithian, Cornwall, England, UK
References
Golley, Peter, Williams, Richard (1995) Cornish Mineral Reference Manual. Endsleigh Book Co., Truro. 71pp.
Weiß, Stefan; Hooper, Jeremy; Elton, Nick; Green, David I. (2001) Seltene Mineralien aus dem Greystone Quarry, Cornwall/GB [Rare minerals from the Greystone Quarry, Cornwall/UK]. Lapis, 26 (4). 19-33; 50
 
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