How to identify black diamonds at home | carbonado

[@JoniCastañeda-e2v]

Tengo una piedra casi igual ala q uste posee pero no se que es

[@Каролина-е4ь6м]

У меня есть такие камни ❤

[@Josekruzmartinezgonzalez-jt6op]

Yo tengo uno como los que mostraste ahí pero mucho más grande

[@makieconchada6578]

I have that stone tough as tungsten

[@SMeska-b8x]

I have this one, how can I contact you?

[@santoshkumar-rk9ne]

Scratch with grinding stone or drill bit, not with needle

[@santoshkumar-rk9ne]

If it's release any powder it's not carbonado

[@makieconchada6578]

Scratch less even steel saw

[@AmjadIraqBasra]

❤