Granulite, or LEPTYNITE, a schistose but sometimes massive aggregate of quartz and orthoclase with garnets. The garnets are disseminated irregularly, and are not infrequently accompanied by Kyanite (q.v.). This rock is classed with the crystalline schists.
Granulite
Chambers's Encyclopaedia, Volume 5: Friday to Humanitarians, p. 357
Source scan(s): p. 0368