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MURL28.jpg



LOCALITY-MINE			DISTRICT-STATE		COUNTRY
Sierra Nevada/			California		USA
Sacramento Valley

COMPOUND-NAME			ROCK-ORE TYPE		COLLECTION
Residual hollingworthite	Placer			(Mertie) BM1982.314
and Rh-aluminoferrosilicate
in ferroplatinum
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A: Polished section. SEM-BS. White: ferroplatinum. 
   Arrow a: enlarged in C. Arrow b: enlarged in B.
B: id. SEM-SM. White: ferroplatinum. Grey: residual hollingworthite 
   in aluminoferrosilicate (black).
C: SEM-SM. White: ferroplatinum. Light grey: residual hollingworthite. 
   Dark grey: aluminoferrosilicate. The lighter clouds in the silicate 
   show up to 0.8 wt % Rh, and As and S.

CODE : Murl. 28