Sunday, June 23, 2019

HARDNESS

HARDNESS


  • HARDNESS is not related to toughness
  • HARDNESS test is potentially destructive
  • HARDNESS test is conducted on rough crystals
  • AT THE BACK OF OPAQUE CABOCHON AND CARVED PIECES    
                    
at
Labels:

No comments:

Post a Comment

Note: Only a member of this blog may post a comment.

Subscribe to: Post Comments (Atom)

Identification of Rough Crystals

 Identification of Rough Crystals 1-   Two Thing Are IMPORTANT For The Identification Of Crystals. Shape & Symmetry. Surface Features. -...

  • What Is Gemology ?
    GEMOLOGY     The Branch Of Science Which Deal With The Study of Gems Is Known As Gemology .Gemology Is The Combination Of  SCIENCE , ART or...
  • Moh's Hardness Scale
                                                     Moh's Hardness Scale  Talc  Gypsum Calcite Flourite Apatite Feldspare Qu...