Opals and Garnets from Poland
Cochise College
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Roger Weller, geology instructor     wellerr@cochise.edu                     


 Opals and garnets from Poland: 11
    Photo by Maro Borowski

Oval (cauliflower-like), white aggregates of andradite are scattered in
greenish-yellowish opal matrix.  Small reddish brown and black spots of iron oxides
(hematite and magnetite respectively) can also be observed.
 

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