| | Report (volume) | ---_ 23 25 26 27 28 29 29 29 31 32 32 32 33 Montana._--__---___-_-__________-____-____--_-___-_-_----_--...Geologic map of the Chatsworth district, Murray County, Ga., showing the location of the principal talc... 4. Geologic sketch map of the Dillon-Ennis district, Montana, showing the location of the principal...Nevada-_________---_-___-4. Allamoore district, Hudspeth County, Tex___________ 16 19 36 46 CONTENTS TABLES...analyses of talcs from the Chatsworth district, Murray County, Ga_ _________________________________ 30 11. Varieties | | | Report (issue) | usually less pronounced than in the other minerals. Corundum, which is often a desirable associate of minerals...response is stated to be due to chromic oxide. Corundum often causes a pink fluorescence in Indian kyanite...Idaho Corundum Apatite Apatite Pink White Pinkish S. Africa (heated) I Korea ! Colorado Corundum Kyanite...to black crystalline crusts of magnetite, while corundum becomes pink to purplish-brown. The presence and...the presence in the rock of corundum (alumina). The Namaqualand corundum-sillimanite rock may contain |
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Ennis area, Ennis, Madison County, Montana, USA