| Litchfield County, where good crystals were taken from quartz veins in a variety of metamorphic, plutonic and...Litchfield, where a mass of white quartz on a ridge had once been mined for quartz, and large ilmenite masses...ilmenite crystals to 7 .5 cm in matrix of massive quartz from these dumps-adding that, in his judgment,...Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely...major associations of Swiss hematite iron roses are quartz, ortboclase, albite, rutile, and zeolites (especially |
Vohambohitra pegmatite, Manakana Commune, Tsaratanà na District, Betsiboka, Madagascar