Sadhguru Gems And Jewellers
The Loupe Desk
What ten times magnification can, and cannot, say.
A corrected 10× loupe is the first tool. It is not a laboratory.
US$25 · ₹2,377
Buy this bookHow to look
Clean the stone and the lens. Hold both steady against your hand. Daylight or a small lamp is enough. Do not press the lens into the stone.
A 10× loupe makes chips, scratches, facet junctions and larger inclusions easier to see. It does not measure refractive index.
The rest of the book
3 more chapters, and the PDF with only this shop’s name on it. US$25.
Buy and unlockOriginal notes from Sadhguru Gems And Jewellers. Not a reprint. Not a medical treatment. Not a gem report.