BLUE
Login
Profile banner
DG
Dee Gardner
@glacierpique.bsky.social
geosciences | civil infrastructure | mantle overburden | climate hippie | she/her |
203 followers259 following179 posts
DGglacierpique.bsky.social

I’m voting for one of three polymorphs that indicate metamorphic temperature and pressure: #Kyanite#MinCup24mineralseducationcoalition.org/minerals-dat...

1
DGglacierpique.bsky.social

Here’s a FOURTH polymorph, Mullite, the most refractory form of #Kyanite#MinCup24

Gemmy, champagne-colored prisms of Mullite. Image from mindat.org.
Puffballs of intense purple, acicular Mullite on a rock that looks like half melted slush. Image from mindat.org.
A flowery spray of pale purple Mellite prisms. Image from mindat.org.
2
Profile banner
DG
Dee Gardner
@glacierpique.bsky.social
geosciences | civil infrastructure | mantle overburden | climate hippie | she/her |
203 followers259 following179 posts
HomePopularExplore