The chemical formula of pyrophyllite is Al2Si4O10(OH)2.
2.84
G. S. Gibbons has written: 'Talc, steatite, and pyrophyllite' -- subject(s): Pyrophyllite, Soapstone, Talc
Mining: feldspar, mica, pyrophyllite (=half billion $ industry in North Carolina)
Daniel M. Howard has written: 'Mineral commodity report, talc and related minerals' -- subject(s): Talc industry, Pyrophyllite, Talc
Richard H. Jahns has written: 'Geology of the San Dieguito pyrophyllite area' -- subject(s): Pyrophyllite, Geology 'The Pelican area, Palomas (Hermosa) district, Sierra County, New Mexico' -- subject(s): Geology 'Possibilities for discovery of additional lead-silver ore in the Palomas Camp area of the Palomas (Hermosa) mining district, Sierra County, New Mexico' -- subject(s): Silver ores
Feldspar, lithium minerals, scrap mica, olivine, and pyrophyllite are produced in North Carolina. The granite is North Carolina's official State rock and the emerald is it's official State precious stone.
there are 2 different types of 'rare'. There is Super Rare and rare. Doris = Rare :)
a rare opportunity
its SUPER RARE!!!!!!
It is a rare species
She is ultra rare