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Duporth Beach, Duporth, St Austell Bay, St Austell District, Cornwall, England, UK

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List of minerals arranged by Dana 8th Edition classification

Group 66 - INOSILICATES Double-Width,Unbranched Chains,(W=2)
Amphiboles - Mg-Fe-Mn-Li subgroup
Tremolite	66.1.3a.1	☐{Ca₂}{Mg₅}(Si₈O₂₂)(OH)₂
Unclassified Minerals
Actinolite	-	☐{Ca₂}{(Mg,Fe²⁺)₅}(Si₈O₂₂)(OH)₂
'Serpentine Group'	-	D₂[Si₂O₅](OH)4 + or - nH₂O
Talc var: Steatite	-	Mg₃Si₄O₁₀(OH)₂

4 entries listed. 3 valid minerals.

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Copyright © Jolyon Ralph and Ida Chau 1993-2012. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
Current server date and time: 6th Jul 2012 20:30:19