Websterite vs Troctolite Tekstur
tektur
clastic, granular, phaneritic, porphyritic
phaneritic
werna
ireng kanggo werna abu-abu, bluish - werna abu-abu, greenish peteng - werna abu-abu, ijo, klawu rodok ijo cahya
Peteng Grey kanggo Black
katon
dilapisi, banded, veined saha
veined saha