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Bare Hills Copper Mine (Smith Avenue Copper Mine), Bare Hills, Baltimore Co., Maryland, USA

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Detailed Mineral List:

Actinolite
Formula:	☐{Ca₂}{(Mg,Fe²⁺)₅}(Si₈O₂₂)(OH)₂
Reference:	Rocks & Min.: 21:144-145; Ostrander & Price (1940), Minerals of Maryland: 27.







Albite
Formula:	NaAlSi₃O₈
Reference:	Rocks & Min.: 21:144-145; Ostrander & Price (1940), Minerals of Maryland: 27.







Almandine
Formula:	Fe²⁺₃Al₂(SiO₄)₃
Reference:	Rocks & Min.: 21:144-145; Ostrander & Price (1940), Minerals of Maryland: 27.







Anthophyllite
Formula:	☐{Mg₂}{Mg₅}(Si₈O₂₂)(OH)₂
Reference:	Rocks & Min.: 21:144-145; Ostrander & Price (1940), Minerals of Maryland: 27.







Aragonite
Formula:	CaCO₃
Reference:	Rocks & Min.: 21:144-145; Ostrander & Price (1940), Minerals of Maryland: 27.







Azurite
Formula:	Cu₃(CO₃)₂(OH)₂
Reference:	Rocks & Min.: 21:144-145; Ostrander & Price (1940), Minerals of Maryland: 27.







Bornite
Formula:	Cu₅FeS₄
Reference:	Rocks & Min.: 21:144-145; Ostrander & Price (1940), Minerals of Maryland: 27.







Calcite
Formula:	CaCO₃
Reference:	Rocks & Min.: 21:144-145; Ostrander & Price (1940), Minerals of Maryland: 27.







Carrollite
Formula:	Cu(Co,Ni)₂S₄
Reference:	U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.







Chalcanthite
Formula:	CuSO₄ · 5H₂O
Reference:	Rocks & Min.: 21:144-145; Ostrander & Price (1940), Minerals of Maryland: 27.







Chalcocite
Formula:	Cu₂S
Reference:	Rocks & Min.: 21:144-145; Ostrander & Price (1940), Minerals of Maryland: 27.







Chalcopyrite
Formula:	CuFeS₂
Reference:	Rocks & Min.: 21:144-145; Ostrander & Price (1940), Minerals of Maryland: 27.







'Chlorite Group'
Reference:	Rocks & Min.: 21:144-145; Ostrander & Price (1940), Minerals of Maryland: 27.








Chrysocolla
Formula:	Cu_2-xAl_x(H_2-xSi₂O₅)(OH)₄ · nH₂O (x < 1)
Reference:	Rocks & Min.: 21:144-145; Ostrander & Price (1940), Minerals of Maryland: 27.







Covellite
Formula:	CuS
Reference:	Rocks & Min.: 21:144-145; Ostrander & Price (1940), Minerals of Maryland: 27.







Cummingtonite
Formula:	☐{Mg₂}{Mg₅}(Si₈O₂₂)(OH)₂
Reference:	Rocks & Min.: 21:144-145; Ostrander & Price (1940), Minerals of Maryland: 27.







Cuprite
Formula:	Cu₂O
Reference:	Van King







Cuprite var: Chalcotrichite
Formula:	Cu₂O
Reference:	Van King






Photo: Chalcotrichite from Bare Hills Copper Mine, Bare Hills, Baltimore Co., Maryland, USA
Enstatite
Formula:	MgSiO₃
Reference:	Rocks & Min.: 21:144-145; Ostrander & Price (1940), Minerals of Maryland: 27.







Epidote
Formula:	{Ca₂}{Al₂Fe³⁺}(Si₂O₇)(SiO₄)O(OH)
Reference:	Rocks & Min.: 21:144-145; Ostrander & Price (1940), Minerals of Maryland: 27.







Ferrohornblende
Formula:	☐{Ca₂}{Fe²⁺₄Al}(AlSi₇O₂₂)(OH)₂
Reference:	Rocks & Min.: 21:144-145; Ostrander & Price (1940), Minerals of Maryland: 27.







Gypsum var: Selenite
Reference:	Rocks & Min.: 21:144-145; Ostrander & Price (1940), Minerals of Maryland: 27.








Laumontite
Formula:	CaAl₂Si₄O₁₂ · 4H₂O
Reference:	Rocks & Min.: 21:144-145; Ostrander & Price (1940), Minerals of Maryland: 27.







Magnetite
Formula:	Fe²⁺Fe³⁺₂O₄
Reference:	Rocks & Min.: 21:144-145; Ostrander & Price (1940), Minerals of Maryland: 27.







Malachite
Formula:	Cu₂(CO₃)(OH)₂
Reference:	Rocks & Min.: 21:144-145; Ostrander & Price (1940), Minerals of Maryland: 27.







Melanterite
Formula:	FeSO₄ · 7H₂O
Reference:	Rocks & Min.: 21:144-145; Ostrander & Price (1940), Minerals of Maryland: 27.







Microcline
Formula:	KAlSi₃O₈
Reference:	Rocks & Min.: 21:144-145; Ostrander & Price (1940), Minerals of Maryland: 27.







Pyrite
Formula:	FeS₂
Reference:	Rocks & Min.: 21:144-145; Ostrander & Price (1940), Minerals of Maryland: 27.







Quartz
Formula:	SiO₂
Reference:	Rocks & Min.: 21:144-145; Ostrander & Price (1940), Minerals of Maryland: 27.







Schorl
Formula:	Na(Fe²⁺₃)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
Reference:	Rocks & Min.: 21:144-145; Ostrander & Price (1940), Minerals of Maryland: 27.







'Stilbite'
Reference:	Rocks & Min.: 21:144-145; Ostrander & Price (1940), Minerals of Maryland: 27.








Talc
Formula:	Mg₃(Si₄O₁₀)(OH)₂
Reference:	Rocks & Min.: 21:144-145; Ostrander & Price (1940), Minerals of Maryland: 27.







Tremolite
Formula:	☐{Ca₂}{Mg₅}(Si₈O₂₂)(OH)₂
Reference:	Rocks & Min.: 21:144-145; Ostrander & Price (1940), Minerals of Maryland: 27.

33 entries listed. 29 valid minerals.

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Copyright © Jolyon Ralph and Ida Chau 1993-2011. Jobs in Maryland, 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: 6th Jul 2011 19:14:15