THE SINGLE BEST STRATEGY TO USE FOR RUBIN

The surface area of opal in connection with h2o is covered by siloxane bonds (≡Si–O–Si≡) and silanol groups (≡Si–OH). This will make the opal surface quite hydrophilic and effective at forming numerous hydrogen bonds."Strong opal" is a reputation used for a tough or Slice stone that consists entirely of opal substance with no host rock