Slide Number: BH250-132
Number of slides: 13 Slides ( 2 Polished)
Rock: Rockville white, quarried in Rockville MN, 45°28'5.57"N 94°20'3.21"W
Major minerals: Microcline, Orthoclase, Quartz, Biotite, Hornblende (1, 2), Albite
Minor minerals: Sphene (1, 2, 3, 4, ), Zircone (1, 2), Apatite (1, 2), Monazite (1, 2, 3, 4, 5), Allanite (1, 2, 3, 4, 5, 6), Chlorite, Sericite, Saussurite (1), Iron-titanium oxides
Photomircrographs:
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15
