#mineralogy

[rauko]

Cross Section Photography of Smoothly Polished Agate Minerals

[babyfoxcollectionthings]

[addicted2wasps]

Crazy lace Agate under the microscope!

[nemfrog]

"Gneissoid contorted schist." Rocks and Rock Minerals. 1908.

Internet Archive

[rosieandthemoon]

By Wallace Chan - [•]

[space-mouse]

let's make a feldspar :D

Sodium (Na)

Calcium (Ca)

Potassium (K)

Voting ended onFeb 11, 2023

depending how much sodium, potassium, and/or calcium is available, you can get different feldspars! labradorite is my favorite.

remember: stay OUT of the miscibility gap.

there are NO FELDSPARS in the gap. you can't fit that much calcium and potassium in one feldspar. it's not done.

[author-morgan]

okay, but hear me out, martian rocks — nakhlite edition.

to anyone who ever said rocks aren’t cool, you’re wrong.

[word-for-today]

Word for today: bort

Low quality diamonds not pretty enough for jewelry, used in industrial applications for their extreme hardness