Inclusion Management and Gemstone Faceting
…many inclusion-free pieces. Managing inclusions is one of the last lessons many gem cutters learn, and some never learn it at all. They simply…
Colored Stone Grading System
…VS – Very Slightly Included Minor inclusions that are easier to see using 10X, but still not visible to the naked eye. SI1 – Slightly…
Emerald Quality Simplified
…with some type of inclusions. AA- can’t have black inclusions but may show AA quality with some white inclusions. However, these white…
Quartz Value, Price, and Jewelry Information
…The moss agates have mossy inclusions of mineral oxides. Scenic agates have inclusions that look like pictures of scenery, with lakes, shorelines,…
Gemstone Visual Examination Quizzes
…following picture, what inclusions do you find? “Answer” Red rutile needles. Large, eye visible inclusions of rutile needles…
What Do the GIA Gem Clarity Grading Codes Mean?
…clarity grades: VVS: very, very small inclusions VS: very small inclusions SI1 and SI2: small inclusions I1, I2, and I3: included The numbers…
Ruby Buying Guide
…are stones that are clarity graded VS (very small inclusions) but still “eye clean” to SI (small inclusions) which may very well…
The Art and Science of Identifying Gemstones
visible properties. If you find them, your testing is over. Inclusion Observations You need to become adept at identifying inclusions. Our series…
10X Loupe for Gemologists and Jewelers
…the crystal healed or grew back together. Other Inclusions Fractures, minerals, and voids are the primary types of inclusions you’ll…
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