We Buy Collections

Astro Gallery of Gems has processed many of the top mineral collections to enter the market in the past 60 years. As the most sought-after company for minerals, our market expertise is unparalleled, developed through years of collaboration with private collectors and renowned museums.  We have handled some of the finest minerals ever documented from private collectors all over the world. Please upload photos or videos, descriptions, discovery locations, email address and phone number.  Our buyer will contact you once uploaded.