Neo-isotype

Gemstone like compounds with same structure but different composition.
Only accessible via mechanosynthesis/mechanochemistry.
They could be called non statistic solid solutions or deterministic solid solutions.
Subset of regularly patterned substitutions could be called: "checkerboard compounds".

Related

• Neo-polymorphs

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• Classification dimensions for mechanosynthesized gemstone like compounds

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• Pseudo phase diagram - mapping out neo-polymorphs & neo-isotypes

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Examples:

• Titanosapphire
• Stishotile