Astrophyllite Crystals in Matrix - Russia It assists in communication and

It assists in communication and more successful expression of thoughts and emotions

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Chemical Formula: {Ca2}{Mg5}(Si8O22)(OH)2

A few common locations in Utah that are famous for producing world-class trilobite specimens are the House Range

Obsidian has been used to make surgical blades and arrowheads throughout history because of its naturally sharp cleavage

Astrophyllite Crystals in Matrix - Russia It assists in communication andSize: 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