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Wheal Edward, Drakewalls, Calstock, Callington District, Cornwall, England, UK


List of minerals arranged by Dana 8th Edition classification
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Arsenopyrite2.12.4.1FeAsS
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
AX2
Cassiterite4.4.1.5SnO2
Group 31 - HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
(AB)4(XO4)Zq·xH2O
Langite31.4.3.1Cu4(SO4)(OH)6 · 2H2O
Group 48 - ANHYDROUS MOLYBDATES AND TUNGSTATES
AXO4
Ferberite48.1.1.2FeWO4
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2


7 entries listed. 7 valid minerals.

References

Dines, H.G. (1956): The metalliferous mining region of south-west England. HMSO Publications (London), Vol. 2, p. 644-646.

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