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Vol. XIV · № 138 Thursday, September 24, 2026

Red Deer Rock N' Gem Show · GTS Gift & Jewelry Show Greensboro - September · Gem Faire - Salt Lake City

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— Est. MMVIII —

The Journal of Gem & Mineral Culture

— USA · ISSN 2845-1133 —

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Vendor Profile · № 4740 · TBD

Greymatter Glass / Doug Harroun

Greymatter Glass / Doug Harroun is a gem and mineral industry vendor.

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Set in Bodoni Moda, Libre Caslon, Space Grotesk & JetBrains Mono.
Composed daily on the open web from Arvada, Colorado.

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