Astrophyllite Crystals in Matrix - Russia It is also said to

It is also said to help increase memory and learning abilities

Fe)₅Si₈O₂₂(OH)₂

It can form with calcium or sodium and gets its name from the Greek word stilbein ( to shine)

Weight: ~18 oz

Orpiment is a deep-colored

Astrophyllite Crystals in Matrix - Russia It is also said toSize: 2. 35 x 1. 38 x 0. 41 in. Weight: 0. 80 oz Location: Russia Chemical Formula: (K,Na)3(Fe++,Mn)7Ti2Si8O24(O,OH)7 Astrophyllite is a very rare, brown to golden yellow hydrous potassium iron titanium silicate mineral. The mineral usually forms as bladed, radiating stellate aggregates. Astrophyllite gets its name from the Greek words, astron meaning "star" and phyllon meaning "leaf". The mineral can be found in a few scarce, remote localities, such