Structure of Earth Materials

Phyllosilicates

Phyllosilicates

Veins of fibrous serpentine (chrysotile): Mg{{< sub 3 >}}Si{{< sub 2 >}}O{{< sub 5 >}}(OH){{< sub 4 >}}. Massive fibrous serpentine: Mg{{< sub 3 >}}Si{{< sub 2 >}}O{{< sub 5 >}}(OH){{< sub 5 >}}. Massive serpentine: Mg{{< sub 3 >}}Si{{< sub 2 >}}O{{< sub 5 >}}(OH){{< sub 6 >}}. Muscovite single crystals showing perfect basal cleavage: KAl{{< sub 2 >}}AlSi{{< sub 3 >}}O{{< sub 10 >}}(OH){{< sub 2 >}}. Muscovite single crystals showing perfect basal cleavage: KAl{{< sub 2 >}}AlSi{{< sub 3 >}}O{{< sub 10 >}}(OH){{< sub 2 >}}. Biotite crystal in feldspar showing perfect basal cleavage: K(Mg,Fe){{< sub 3 >}}(AlSi{{< sub 3 >}}O{{< sub 10 >}})(OH){{< sub 2 >}}. Biotite crystals showing perfect basal cleavage: K(Mg,Fe){{< sub 3 >}}(AlSi{{< sub 3 >}}O{{< sub 10 >}})(OH){{< sub 3 >}}. Massive granular lepidolite: K(Li,Al){{< sub 2-3 >}}(AlSi{{< sub 3 >}}O{{< sub 10 >}})(OH){{< sub 2 >}}. Talc crystals showing perfect cleavage: Mg{{< sub 3 >}}Si{{< sub 4 >}}O{{< sub 10 >}}(OH){{< sub 2 >}}.