Discuss the ortho and pyro silicates.

Question 1

Discuss the ortho and pyro silicates.

Question 2

Ortho silicates: The simplest silicates which contain discrete [SiO₄]^4- tetrahedral units are called ortho silicates or neso silicates.

Examples: Phenacite – Be₂SiO₄ (Be²⁺ ions are tetrahedrally surrounded by O^2- ions), Olivine – (Fe/Mg)₂ SiO₄ (‘Fe² and Mg²⁺ cations are octahedrally surrounded by O

Pyro silicates: Silicates which contain [Si₂O₇]^6- ions are called pyro silicates (or) Soro silicates. They are formed by joining two [SiO₄]^4- tetrahedral units by sharing one oxygen atom at one comer, (one oxygen is removed while joining).

Example: Thortveitite – Sc₂Si₂O₇

Manoj01 · Answer 1 · 2020-10-13T11:18:56+0000

Ortho silicates: The simplest silicates which contain discrete [SiO₄]^4- tetrahedral units are called ortho silicates or neso silicates.

Examples: Phenacite – Be₂SiO₄ (Be²⁺ ions are tetrahedrally surrounded by O^2- ions), Olivine – (Fe/Mg)₂ SiO₄ (‘Fe² and Mg²⁺ cations are octahedrally surrounded by O

Pyro silicates: Silicates which contain [Si₂O₇]^6- ions are called pyro silicates (or) Soro silicates. They are formed by joining two [SiO₄]^4- tetrahedral units by sharing one oxygen atom at one comer, (one oxygen is removed while joining).

Example: Thortveitite – Sc₂Si₂O₇

Discuss the ortho and pyro silicates.

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