Odd rock with gems and mica in it!...cammed with the river pebbles from the RioGrande river in Albuquerque… pink to purple mica could be lepidolite, but the pictures are too blurred in close up to tell… small crystals associated with lepidolite ar...
sapphire with inclusions of mic...stallization out of the melt solution could have happened how you described. The platelets of mica (Lepidolite seems a good candidate) could have formed in-situ with the corundum simultaneously, in that portion...
Pegmatite sample...als in pegmatites of metamorphic origin are beryl, tourmaline, amblygonite, spdumene. Lithium mica- lepidolite is another marker of granitic gem pegmatics or metamorphic origin. Igneous pegmatites come in a var...
Nigerian GemstonesSome tests I ran confirmed there's lepidolite, tourmaline (green, pink , blue-green, black, rainbow) mica and such in the land. image image image...
Are all copper bearing tourmalines considered Paraiba-type?...ba, Brazil (Fritsch et al. 1990). Other mineral inclusions in tourmaline include albite, muscovite, lepidolite, fluorapatite, monazite, pyrite, pyrochlore-group minerals, quartz, zircon, and, more rarely, minera...