COMPOSITIONS 0F HORNBLENDES FROM AMPHIBOLITE SAMPLES 74, 84 AND 189B, PANOCHE PASS, CALIFORNIA Oxide 74-Hb 84-Hb 189B-Hb ... The garnets are all almandine-rich pyralspites, With Fer,~"”AlZSi3O12 component ranging from Alm52 in Cat-6 to ...