This weekend, Treasures of Darkness will be at the 21st Annual Prescott Gem & Mineral Show, 2025! Come find us and say hello — we’d love to meet you! Dates: August 1st, 2nd & 3rd.Location: Prescott, AZFind all the info

We are holding a liquidation sale for the month of July. We are offering rock bottom pricing, with pricing based on what we acquired many of these specimens for over 20 years ago, and some up to 45 years ago!

CALCITE – Pau, Pyrenees-Atlantiques, Nouvelle-Aquitaine, France Very large specimen of Calcite from Pau in France. The crystals are of a remarkable size and in superb condition. Calcite is polished and has a superb crystallization quality. Pau, Pyrenees-Atlantiques, Nouvelle-Aquitaine, France 20,70

CALCITE on SPHALERITE – Elmwood Mine, Carthage, Smith, Tennessee, USA Sphalerite almost entirely covered by these crystals of Calcite honey, almost orange. Calcite crystals are well formed and have a beautiful shine. Specimen from the famous Elmwood mine in the

CUPROADAMITE – Ojuela Mine, Mapimi, Durango, Mexico Many crystals of Cuproadamite, Adamite rich in Copper, presenting a superb apple green color. On Limonite, their colour stands out even more. Specimen from the famous Ojuela mine in Mexico. Ojuela Mine, Mapimi,

CHRYSOCOLLA and MALACHITE – Tenke-Fungurume, Lualaba, DR Congo Superb specimen having undergone two replacement phases: the Anhydrite was replaced by the Malachite, then the Malachite by the Chrysocolle. The surface is encrusted with colorless crystals of Quartz that offer an

Another group of high quality minerals from around the world, with an emphasis on European (Alps, England and Russian) classics, plus a few other rare or unusual worldwide localities. All of these have been in storage in my personal collection

FLUORITE on QUARTZ – Xia Yang Mine, Yongchun, Quanzhou, Fujian, China Two large cuboctahedron crystals of fluorite on quartz from the Xia Yang mine in China. Other smaller crystals are present in the Quartz matrix on the side. Fluorite ranges

A new group of 20 high-quality minerals from around the world, with an emphasis on Mexico and Europe classics. All of these have been in storage in my personal collection for 15 to 35 years, and are now being released.

This update focuses on a collection of high quality minerals from around the world, with a heavy emphasis on Europe and Russia, and a rare historic Malachite/Azurite from Tsumeb. All of these have been in storage in my personal collection,