Slide Number: BH250-134 (Lab # 8RC103)
Number of slides: 7 Slides (2 Polished)
Rock: Microline from the Black Hills, Etta Mine, 43°52'50.19"N 103°25'1.96"W
Major minerals: Microcline
Minor minerals: Inclusions of Muscovite and Spodumene
Photomircrographs: 1