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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Chrysocolla from
Tvillingbru, Holmestrand, Vestfold, Norway


Locality type:Outcrop
Classification
Species:Chrysocolla
Formula:Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chrysocolla data
Locality Data:Click here to view Tvillingbru, Holmestrand, Vestfold, Norway
Data Identifiers
Mindat Occurrence Record ID:169191
Long-form Identifier:1:3:169191:7
GUID (UUID V4):0
Nearest other occurrences of Chrysocolla
0.7km (0.4 miles) ⓘBjerkeli residental area, Botne, Holmestrand, Vestfold, Norway
1.2km (0.7 miles) ⓘSolsikken, Søndre Kleivan, Holmestrand, Vestfold, Norway
1.4km (0.9 miles) ⓘSøndre Kleivan, Holmestrand, Vestfold, Norway
3.3km (2.0 miles) ⓘHvittingfossveien, Kleivbrottet, Holmestrand, Vestfold, Norway
3.6km (2.3 miles) ⓘGrefsrud, Holmestrand, Vestfold, Norway
4.5km (2.8 miles) ⓘBentsrud (Solumbrekka), Holmestrand, Vestfold, Norway
5.7km (3.5 miles) ⓘRuseberget, Mulåsen, Holmestrand, Vestfold, Norway
5.9km (3.7 miles) ⓘBrekke Tunnel, Helland, Holmestrand, Vestfold, Norway
10.2km (6.3 miles) ⓘDrasund, Falkensten, Borre, Horten, Vestfold, Norway
10.3km (6.4 miles) ⓘMamrelund, Løvøya, Borre, Horten, Vestfold, Norway
References
Larsen, Knut Edvard, Larsen, Stig (2005) Mineralforekomster på Vestfold lavaplatå. Del 2: I B1-nivåets basalter [Mineral localities in the Vestfold lava plateau. Part II: In the B1 basalts]. Norsk Bergverksmuseum Skrift, 30. 41-57
 
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