Topazolite: alternatives and connections

A compact variety or sulphate of lime, or gypsum, of fine texture, and usually white and translucent, but sometimes yellow, red, or gr…

See Garnet.

The common red variety of garnet.

A variety of amphibole or of pyroxene, occurring in long and delicate fibers, or in fibrous masses or seams, usually of a white, gray,…

A variety of translucent quartz, spangled throughout with scales of yellow mica.

A mineral of great hardness, and, when transparent, of much beauty. It occurs in hexagonal prisms, commonly of a green or bluish green…

An opaque or milk-white chalcedony, a variety of quartz; also, a similar variety of opal.

A yellow or smoky brown variety of rock crystal, or crystallized quartz, found esp, in the mountain of Cairngorm, in Scotland.

A beautiful gem of a deep red color (with a mixture of scarlet) called by the Greeks anthrax; found in the East Indies. When held up t…

A mineral, composed of silica, magnesia, and iron, of a yellow to green color. It is common in certain volcanic rocks; -- called also…

semiprecious yellow quartz resembling topaz

A coarsely granular variety of garnet.

The earth alumina, as found native in a crystalline state, including sapphire, which is the fine blue variety; the oriental ruby, or r…

A borosilicate of lime, first found at Danbury, Conn. It is near the topaz in form.

A yellow-green, transparent variety of garnet found in the Urals. It is valued as a gem because of its brilliancy of luster, whence th…

A rock consisting of granular red garnet, light green smaragdite, and common hornblende; -- so called in reference to its beauty.

Cinnamon stone, a variety of garnet. See Garnet.

A precious stone of any kind, as the ruby, emerald, topaz, sapphire, beryl, spinel, etc., especially when cut and polished for ornamen…