Whats Covered
- HOW STONES ARE DISTINGUISHED FROM ONE ANOTHER
- REFRACTION
- DOUBLE REFRACTION
- ABSORPTION AND DICHROISM
- SPECIFIC GRAVITY
- LUSTER AND OTHER REFLECTION EFFECTS
- HARDNESS
- HOW TO TELL SCIENTIFIC STONES FROM NATURAL GEMS
- HOW TO TEST AN UNKNOWN GEM
- SUITABILITY OF STONES FOR VARIOUS TYPES OF JEWELS, AS DETERMINED BY HARDNESS, BRITTLENESS, AND CLEAVABILITY
- THE NAMING OF PRECIOUS STONES
- HOW ROUGH PRECIOUS STONES ARE CUT
- FORMS GIVEN TO PRECIOUS STONES
- THE USE OF BALANCES AND THE UNIT OF WEIGHT IN USE FOR PRECIOUS STONES
Diploma in Identifying Precious Stones
$190.00 Regular Price
$28.03Sale Price
Digital Certificate of Completion
No Reviews YetShare your thoughts.
Be the first to leave a review.