Showing posts with label DURABILITY DEPENDS UPON. Show all posts
Showing posts with label DURABILITY DEPENDS UPON. Show all posts

Monday, June 3, 2019

DURABILITY DEPENDS UPON

DURABILITY DEPENDS UPON



  1. ATOMIC STRUCTURE
  2. CHEMICAL STRUCTURE 
  • SHORT BANDS are  Strong e.g in Diamond
  • LONG  BANDS are weak as in Graphite

at 1 comment:
Labels:
Subscribe to: 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...