[Quartz,] on certain cavities in, W. L. Atlee, xxxv, 139.f

—, from Elba, containing water, iv, 27.

—, American, containing liquids, ii, 14; ix, 246; (and coal) xl, 83.

—, naphtha in, C. Dewey, i, 345.

—, soft crystal of, v, 394.

—, gelatinous, Guillemin, xiv, 391.

— crystals, distorted, xlvi, 365f, 366.f

— —, in Canada, viii, 63.

— —, in Connecticut, i, 135; v, 41, 45;–(rose) i, 238; iv, 54; vi, 213, 251.

— —, in Maine, (smoky) xiii, 374; (rose) xviii, 297.