arockmaniac: Gemmy benitoite crystals with a tiny crystal of neptunite on a matrix of pale bluish crossite and snow white natrolite from the Dallas Gem Mine, San Benito County, California. Benitoite is a rare blue barium titanium silicate mineral
tags: So many OTPs,
from: https://eikuuhyo.tumblr.com/post/181964738906