Special Auction: Gabriel Risse Collection!

We are honored to share with the public a vast array of exquisite specimens from the personal collection of Gabriel Risse, a collector based in Germany. These specimens were carefully chosen over the course of several decades for their exceptional precision, refinement, lack of damage, and overall aesthetic appeal with 360-degree aesthetics. Enjoy!

Filter By

Pyrite on Quartz
Racracancha mine, Tinyahuarco, Pasco Prov., Pasco, Peru
Ex. Gabriel Risse
10.6 x 7.6 x 4.9 cm
Winning Bid: $2,500
Plumbogummite ps. Pyromorphite
Yangshuo Mine, Yangshuo Co., Guilin, Guangxi, China
Ex. Gabriel Risse
8.0 x 5.0 x 4.6 cm
Winning Bid: $851
Calcite var. Cobaltian
Aghbar Mine, Aghbar, Zagora, Draa-Tafilalet, Morocco
Ex. Gabriel Risse
7.6 x 4.7 x 3.8 cm
Winning Bid: $880
Schorl Tourmaline on Feldspar
Erongo Mountains, Namibia
Ex. Gabriel Risse
17.0 x 9.5 x 8.9 cm
Winning Bid: $1,320
Clinochlore on Magnetite
Imilchil, Midelt Prov., DrĂ¢a-Tafilalet Region, Morocco
Ex. Gabriel Risse
4.4 x 3.3 x 3.1 cm
Winning Bid: $2,051