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I still study.~ I think there is way to make color better.!! I need your advice please.~~~ Thank you.~~ Have a good day~~

You are right. moissanite has the double refraction.!! I already check.!! I think moissanite double refraction is not strong, i mean not big different with sapphire. so I think I can use by watch glass- just my opinion.!! Thank you very much for reply.~~

Thank you for reply. crystal break or not......... it is the toughness.. moissanite is single crystal. I know that moissanite crystal toughness is similar with sapphire. If moissanite crystal toughness is worse, it is very disadvantage.~ I will study more thank you.~~ I also like patina color~ but t

Hello everybody~ I alredy posted about new crystal 3 month ago. moissanite(silicon carbide) crystal glass has very high hardness(60% harder than sappire)---advantage and I have found the graph about transmittance of moissanite crystal. Is there anybody who can understand this graph??? please HELP M

If you are uncomfortable, i am sorry... i just want to say....i think all kind of system has advantage and disadvantage at same time.!!!

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I agree with you, screw crown is very nice.~ but also has disadvantage.! 1. I have many experience screw line damaged. 2. screw crown is not good with manual winding movement.! when crown open, stem is pull out(time setting position) sometimes..... and you are right.~~ this idea is started with pane