Metal free gemstone-like compound

Metal free gemstone-like compounds are gemstone like compounds compounds that:

• do not contain metal atoms
• do not necessarily need to but may include carbon

Or redundantly:

• Organic gemstone-like compounds with the condition on needing to contain carbon dropped.
• Odd gemstone-like compounds with the condition on not containing carbon dropped.
• A union of the former two

This gives a slightly bigger subclass of gemstone like compounds.

List of metal free gemstone-like compounds

Metal free gemstone-like compounds include:

• All Organic gemstone-like compounds
• All Odd gemstone like compounds – "odd" refering to anorganic (no carbon) metal free

The latter includes:
List of anorganic and metal free (odd) gemstone compounds:

• BN Boron nitride – likely incombustible
• BP Boron phosphide – incombustible

Adding sulfur – This time it works – somewhat

Unlike with Organic gemstone-like compounds in the case of the ones without a lot of carbon and nitrogen adding sulfur to the mix this time works (well somewhat) Compounds do not become high explosives that yearn to become gasses or liquids.

Adding a sulfur into the mix in high ratio does not make the metal and carbon free gemstones unstable (decomposing to gasses) immediately
but does instead lead some quite exotic stuff crossing over to polymeric nature:

• B₂S₃ Boron sulfide (wikipedia)

Phosphorus sulfides from many stable stiff highly cross-linked molecules. E.g.:

• P₄S₁₀ Phosphorus pentasulfide – interrestingly this has diamondoid structure but it's limited to one molecule
• P₄S₃ Phosphorus sesquisulfide

Sulfur nitrides from many (somewhat) stable structures. E.g.:

• S₄N₄ Tetrasulfur_tetranitride (shock sensitive)
• (SN)_x Polythiazyl
• (S)_x Elemantal sulfur in form of long chains polysulfanes

Related

Top:

• Gemstone like compound

Subclasses:

• Organic gemstone-like compound
• Odd gemstone-like compounds