2.2.3.3.3.3.2.2.3.2. [Ring, chain and sheet silicates] (linear and planar: tourmaline, beryl, hornblende, talc, mica) © 2003-2026 hegel.net · Kai Froeb 2.2.3.3.3.3.2.2.3.2. [Ring, chain and sheet silicates] One level back to [Silicates]

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