"Quartziferous" is a word in ENGLISH

Consisting of two pyramids placed base to base; having a pyramid at each of the extremities of a prism, as …

A finegrained rock, flintlike in fracture, consisting essentially of orthoclase feldspar with occasional grains of quartz.

A crystalline rock, consisting, like granite, of quartz, feldspar, and mica, but having these materials, especially the mica, arranged in …

A crystalline, granular rock, consisting of quartz, feldspar, and mica, and usually of a whitish, grayish, or flesh-red color. It …

A whitish, granular rock, consisting of feldspar and quartz intimately mixed; -- sometimes called whitestone, and leptynite.

A mineral consisting, like quartz, of silica, but inferior to quartz in hardness and specific gravity.

A term used somewhat loosely to designate a rock consisting of a fine-grained base (usually feldspathic) through which crystals, as …

A pseudomorphous crystal, as a crystal consisting of quartz, but having the cubic form of fluor spar, the fluor crystal …

A form of crystal common with quartz, consisting of two six-sided pyramids, base to base.

A rock made of sand more or less firmly united. Common or siliceous sandstone consists mainly of quartz sand.

Any crystalline rock having a foliated structure (see Foliation) and hence admitting of ready division into slabs or slates. The …

A pigment obtained, usually by roasting cobalt glance with sand or quartz, as a dark earthy powder. It consists of …