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Management of Commercially Generated Radioactive Waste - U.S. ...

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P.37<br />

TABLE P.3.1. (continued)<br />

Occurrence<br />

Element Host Mineral Formula Substitution(a) in Nature Alteration<br />

I sodalite Na 8 Al 6 Si60 24 C1 2 R nephelinesyenite<br />

rocks<br />

boracite Mg 3 B 7 0 13 C1 R salt domes occurs in the<br />

and salt "water insolericaite<br />

(Fe,Mn) 3 B 7 0 1 3CI R deposits uble" fractions<br />

<strong>of</strong> salt<br />

chambersite Mn 3 870 13 CI R deposits<br />

parahilgardite Ca 2 B50 8 CI(OH) 2 R .salt domes occurs in<br />

"water insoluble"<br />

fraction<br />

murdochite PbCu 6 (O,C1,Br) 8 R oxidation zones<br />

<strong>of</strong> Pb-Zn<br />

deposits<br />

mendipite Pb 3 CI20 2 R<br />

penfieldite Pb 2 C1 3 (OH) R<br />

yedlinite PbgCrCl 6 (0,OH) 8 R<br />

phosgenite Pb2(C0 3 )C1 2 R<br />

marshite Cul E associated darkens on<br />

with copper exposure to<br />

ores air<br />

iodargyrite AgI E secondary mineral<br />

in silver<br />

ores<br />

associated<br />

miersite (Ag,Cu)I E with copper<br />

ores<br />

Tc perovskite CaTiO 3 R basic igneous rocks<br />

calzirite CaZr 3 TiOg R carbonatite partially dissolves<br />

in low<br />

pH solutions<br />

yttrocrasite (Y,Th,U,Ca) 2 Ti 4 O 11 R

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