1 of 1
Green Tourmaline Cabochon
8.0 × 6.0 × 3.5 mm · 4.2 ct · Mohs 7–7.5 · untreated
$118
The Vault
4 stones, one at a time.
Each stone is a one-of-one from the collection — curated by hand over forty years, and again by hand now. Photographed individually, measured where testable, and sold once.
What every listing tells you
The measurements, not the adjectives.
Refractive index and specific gravity where tested. Mohs hardness. Treatment status, always. Origin where known, and an honest confidence level on the identification — including when we’re still confirming it.