[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.