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Sillimanite. Those tiny little needles...
From upper left clockwise: Calabria (Italy); somewhere in Brazil; Vedrette di Ries (Italy); Carboneras (Spain)

18 133
2023-03-06

Because without is just eh...

from top left clockwise: Conglomerate (Carboneras, Spain); Serpentinite (Saint Florent, Corsica); Graphite in Granulite (Manitoba, Canada); Symplectite in Granulite (Kerala, India).

11 42
2021-05-12

Micro-Macro
of beach pebbles at Carboneras, Spain.
Left: sillimanite schist. Right: conglomerate.
Width: macro 6 cm; micro 3-6 mm.

13 65
2021-04-07

Day 61 of and
As simple as QUARTZ. From top left clockwise: Ocean Jasper (Madagascar); tectonite (eastern Alps); quartzite (Carboneras, Spain); Tiger's Eye (South Africa).

19 72
2020-05-13