Assertion: tourmaline | /r/AtLocation | granite
Facets:
Source sentences:
text: Tourmaline occurs in crystalline schists; in granites and granite pegmatites (especially elbaite); in gneiss, marbles and other contact metamorphic rocks (especially dravite, uvite).
text: Tourmaline occurs in granite, particularly the albitic varieties, schists, and dolomite.
text: Tourmaline occurs in granite, particularly the albitic varieties, schists, and dolomite.
text: Tourmaline occurs in granite, particularly the albitic varieties, schists, and dolomite.
text: Tourmaline occurs in granite, particularly the albitic varieties, schists, and dolomite.
text: Tourmaline occurs in granite, particularly the albitic varieties, schists, and dolomite.
text: Tourmaline occurs in granite, particularly the albitic varieties, schists, and dolomite.
text: Tourmaline occurs in granite, particularly the albitic varieties, schists, and dolomite.
text: Tourmaline occurs in granite, particularly the albitic varieties, schists, and dolomite.
text: Tourmaline occurs in crystalline schists; in granites and granite pegmatites (especially elbaite); in gneiss, marbles and other contact metamorphic rocks (especially dravite, uvite).