fuckyeahmineralogy: (via tucson2012-10) Amethyst (SiO2), a variety of quartz.
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from: https://eikuuhyo.tumblr.com/post/38372669542
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tags:
from: https://eikuuhyo.tumblr.com/post/38372669542
recommended: eikuuhyo tumblr, Hotchickswithtattoos #b-rights-ide Hotdogging b1g-appl3 Hotness