Summer 2020 Extravaganza Auction, Part I

Yaogangxian is a huge, underground tungsten-tin deposit. The mine covers an area of about 4 x 2.5 km and includes two large deposits of distinct type

An outstanding example of the garnet family species, Andradite. Andradite is a calcium iron nesosilicate mineral which occurs in skarns developed in c

A very well-formed cluster of greenish-bronze, dodecahedral andradite (garnet) crystals. The specimen is in outstanding condition and possesses very s

Manganoan Calcite is a variety of calcite rich in manganese, which gives the mineral a pink color. This specimen features dozens of thin, "disk...

Huge, rhombic crystals of light-pink, manganese-rich calcite crystals from the prolific specimen producing mines at Huanggang, Inner Mongolia. The gro

An attractive combo specimen Wuhuashan Mountain. The specimen features a plate of hematite included (reddish-orange color) quartz points partially cov

These fantastic quartz crystal clusters were first discovered and brought to the American mineral market within the last 10 years. The terminations of

This specimen is a cluster of highly-flattened, rhombohedral crystals of bright reddish-pink rhodochrosite from the Wutong Mine. Opened in 1958 as a s

The world's finest scheelite crystals have been produced from Mt. Xuebaoding in Sichuan Province, China. This is a superb example of the highly ...

This specimen features more than ten gemmy, lustrous, sharp, reddish-orange sphalerite crystals which have grown on a matrix covered with colorless dr