Astrophyllite Crystals in Matrix - Russia At first glance

At first glance

Chemical Formula: SiO₂

While the other side still showcases some dark spots of the matrix

It is also said to help increase memory and learning abilities

Orpiment is a deep-colored

Astrophyllite Crystals in Matrix - Russia At first glanceSize: 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