BALSAM n.
ir, Canada turpentine, a yellowish, viscid liquid, which, by time and exposure, becomes a transparent solid mass. It is obtained from the balm of Gilead (or balsam) fir (Abies balsamea) by breaking the vesicles upon the trunk and branches. See Balm.
BARITE n.
Native sulphate of barium, a mineral occurring in transparent, colorless, white to yellow crystals (generally tabular), also in granular form, and in compact massive forms resembling marble. It has a high specific gravity, and hence is often called heavy spar. It is a common mineral in metallic veins.…
BERYL n.
A mineral of great hardness, and, when transparent, of much beauty. It occurs in hexagonal prisms, commonly of a green or bluish green color, but also yellow, pink, and white. It is a silicate of aluminium and glucinum (beryllium). The aquamarine is a transparent, sea-green variety used as a gem. The emerald is another…