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Iron Nellie Mine, Gypsum, Eagle Co., Colorado, USA

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List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
A_mB_nX_p, with (m+n):p = 1:2
Pyrite	2.12.1.1	FeS₂
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO₄
Anhydrite	28.3.2.1	CaSO₄
Group 29 - HYDRATED ACID AND NORMAL SULFATES
AXO₄·xH₂O
Gypsum	29.6.3.1	CaSO₄ · 2H₂O

3 entries listed. 3 valid minerals.

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Copyright © Jolyon Ralph and Ida Chau 1993-2011. Jobs in Colorado, USA 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: 27th Apr 2011 16:57:01