It's very normal for minerals to occur inside of other minerals. It's called an inclusion. This can be another mineral or liquid like water or petroleum. It'

It's very normal for minerals to occur inside of other minerals. It's called an inclusion. This can be another mineral or liquid like water or petroleum. It's really cool to see a piece of quartz with a little pocket of water that's been trapped inside for millenia. It sounds like davemaoiteoccurs outside of diamonds as well, but won't stay stable on the earth's surface without being encased in something which maintains the pressure on it.