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and even the United States
There are over 2000 species of brittle stars that still roam the oceans today
Weight: 12
Obsidian is a naturally occurring form of volcanic glass
When the mineral is exposed to radioactive gamma rays
Astrophyllite Crystals in Matrix - Russia and even the United StatesSize: 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
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