Definition of ganister
i. A hard, fine-grained, particularly pure siliceous grit, quartzose sandstone or quartzite, used in the manufacture of silica brick. It occurs particularly in the Upper Carboniferous of the British Midlands, and is composed of subangular quartz particles, cemented with secondary silica, and possessing a characteristic splintery fracture. Ganister is distinguished from chert by its more granular texture and by the relatively small quantity of chalcedonic or amorphous silica.
Ref.: Chambers’s Mineralogical Dictionary (1964) Chemical Publishing Co., Inc., New York, NY, USA (reprint).
AGI
ii. A mixture of ground quartz and fireclay used as a furnace lining. Also spelled gannister.
Ref: AGI
iii. See: quartzite
Ref.: Chambers’s Mineralogical Dictionary (1964) Chemical Publishing Co., Inc., New York, NY, USA (reprint).
AGI
ii. A mixture of ground quartz and fireclay used as a furnace lining. Also spelled gannister.
Ref: AGI
iii. See: quartzite