Sadhguru Gems And Jewellers
Ruby and Sapphire, Told Plainly
Both are corundum. The colour is not a second mineral.
Red corundum, the other colours of corundum, heat, and the words that get mixed up.
US$25 · ₹2,377
Buy this bookOne mineral, many colours
Ruby and sapphire are both corundum, aluminium oxide. Ruby is the red. Sapphire is corundum of the other colours, including blue, yellow, pink and padparadscha descriptions.
Padparadscha names a pink-orange colour of sapphire. It is not a separate mineral, and it is not a certificate by itself.
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.