Smoky quartz rough from USA, listed by the seller at 50 grams. The species is a member of the quartz family, with a Mohs hardness of 7.
Origin is stated as USA; commercial rough from this region is described in the trade as exhibiting characteristic colorzonation and inclusion patterns. Faceting.com reproduces the seller's stated origin without independent verification.
The seller declares no treatment or enhancement. Lot photographs in the original listing should be examined before ordering.
| Species | Smoky quartz |
|---|---|
| Origin | USA |
| Weight (stated) | 50 g |
| Mohs hardness | 7 |
| Treatment | None declared |
| Retailer | Price | Stock | Shipping | |
|---|---|---|---|---|
| ◆Mineral Auctions | $125 | In stock | Ground | VISIT → |
The quartz family — amethyst, citrine, smoky quartz, rose quartz, rock crystal — at Mohs 7.