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Hydrotalcite (Var: Houghite), Serpentine Group


Hydrotalcite (Var: Houghite) : Mg6Al2[(OH)16|CO3] · 4H2O, Serpentine Group : D2[Si2O5](OH)4 + or - nH2O

Photo Copyright © 2009, JGW  - This image is copyrighted. Unauthorized reproduction prohibited.
Locality: Somerville, St Lawrence Co., New York, USA
White pearly flaky masses of houghite, a variety of hydrotalcite, in serpentine. S411-075. Photographer's specimen, deacquisitioned.
4 cm field of view.

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