Just sold
·
The Atlas Quarterly
The Atlas Quarterly field reports.
Dispatches from the desk. Field reports, edits, essays on stones we've worked since 1995.
-
Dispatch · 001
Tucson 2026: what to expect
What's new for the 2026 gem show season — and what to plan for if you're attending for the first time.
The Stone Atlas · Apr 21, 2026
-
Dispatch · 002
Domestic US gemstones: where to find them
Twelve gemstones produced commercially in the United States — and where each one comes from.
The Stone Atlas · Apr 19, 2026
-
Dispatch · 003
Burmese rubies and the US embargo
Why "Burmese ruby" still commands a premium despite the trade restrictions — and what's legal to buy in the US.
The Stone Atlas · Apr 17, 2026
-
Dispatch · 004
Garnet from Mozambique: what changed in 2008
When new deposits in Mozambique opened, the global garnet trade shifted overnight. Here's what happened and what you can buy now.
The Stone Atlas · Apr 15, 2026
-
Dispatch · 005
Carnelian in Indonesia and India
Two centers of the carnelian trade — and what makes them different from Brazilian material.
The Stone Atlas · Apr 13, 2026
-
Dispatch · 006
Lapis from Afghanistan: the only commercial source
The 7,000-year-old mining tradition at Sar-e-Sang, and why no other deposit has ever matched it.
The Stone Atlas · Apr 11, 2026
-
Dispatch · 007
Why so much amethyst comes from Boa Vista
The geology of southern Brazil's amethyst belt — and why one area produces more dark amethyst than anywhere else on Earth.
The Stone Atlas · Apr 9, 2026
-
Dispatch · 008
The Madagascar gem trail
Eight major gem species from one island — and why the country has become the colored-stone trade's quiet workhorse.
The Stone Atlas · Apr 7, 2026
-
Dispatch · 009
Teófilo Otoni, Brazil: world capital of tourmaline
How a small city in Minas Gerais became the global center for tourmaline cutting, brokering, and pricing.
The Stone Atlas · Apr 5, 2026
-
Dispatch · 010
The Tucson Gem & Mineral Show, briefly explained
Why most stones in the US start here every February — and what's actually different between the 40+ shows that run concurrently.
The Stone Atlas · Apr 3, 2026