In What Pressure Diamond Formed in Earth

Q11: For diamond business which city is famous

Q12: Write the S.G. of Diamond.<br>A)3.5<br>B)3.51<br>C)3.52<br>D)3.54

Q13: Culet can also be called a………...…..facet?<br>A)top<br>B)bottom<br>C)right<br>D)mechanical

Q14: What do you call the point where

Q15: Culet is visible in a diamond from

Q17: What is Diamond?<br>A)a form of carbon<br>B)hardest mineral

Q18: When is reflection of girdle visible within

Q19: One carat is equal to how many

Q20: Give the full name of R.B.C?<br>A)round brilliant

Q21: For burning marks which fault is responsible?<br>A)wrong