Encara no tenim significats per a "white mica".
1Grey granite, consisting of brown and white mica, quartz, and a large proportion of felspar somewhat decomposed.
2Another rock was composed of felspar and large leaflets of white mica, or of quartz and white mica.
3Tin is also found, as at Eurieowie, in dykes, composed of quartz crystals and large scales of white mica, traversing the older slates.
4As before stated tin will never be found far from granite, and that granite must have white mica as one of its constituents.
5It seemed to be made up of tiny hexagonal shapes of polished white mica, reflecting the light and glittering like millions of jewels.
6The hills on which I stood were composed of Pegmatite, with patches of white Mica in large leaflets.
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