The diamond dust has the same properties of larger diamonds, but the tiny diamond particles cannot be set into jewelry by themselves. It is carefully gathered after cutting, and comes to good purpose in many industries.
There are many other dangerous sharks in the Mediterranean, including: 1  Blacktip shark (Carcharhinus limbatus) 2  Smooth hammerhead shark (Sphyrna zygaena) 3  Scalloped hammerhead shark (Sphyrna lewini)  Great hammerhead shark (Sphyrna 1  mokarran) Shortfin mako shark (Isurus oxyrinchus)  Grey nurse or sandtiger shark (Carcharias taurus)
Sand sharks, also known as sand tiger sharks, grey nurse sharks or ragged tooth sharks, are mackerel sharks of the family Odontaspididae. They are found worldwide in temperate and tropical waters. The three species are in two genera.