October 2017 Premier Auction

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

These crystals of Magnetite from the Huanggang Mine in Inner Mongolia, China are simply HUGE. Magnetite is an oxide of iron and is a primary ore of ir

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 exceptional, display quality, native silver specimen featuring stout, wire silver on matrix from the Hongda Mine. The wires of silver are bright an

Plumbogummite seems a very odd name for a mineral species, however, the name has real significance. Named in 1819 by Francois Pierre Nicolas Gillet de

This is a spectacular pseudomorph of plumbogummite after pyromorphite. The term pseudomorph means "false form" and indicates that the unde...

The aesthetic beauty of this quartz crystal cluster from the Huanggang mine in Inner Mongolia is undeniable. Large, well-formed, lustrous, slightly-ye

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

The Tonglushan Mine is a large, skarn-type Iron and Copper deposit, occurring in the northern end of the Majiao-Tonglushan anticline. From a mineralog

The Wutong deposit was discovered in 1958 and was a minor producer of lead (4676 tons), zinc (3555 tons) and silver (6.65 tons). The locality gained

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 most important rhodocrosite specimen discovery of the past decade came from the Wutong Mine, Guangxi Zhuang A.R., China. A collaborative mining ef

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

An unusual specimen from the Wushan Spessartine Mine. Pyrite (iron sulfide) is not commonly seen as an associated species on the spessartine specimens

This spectacular specimen features bright orange spessartine garnets covering a matrix of off-white feldspar crystals. Rising above the spessartine co

A fantastic specimen featuring Spessartine (garnet) and Smoky Quartz crystals. Spessartine is a nesosilicate, manganese aluminium garnet. Spessartine

A superb, collector-quality specimen of bright orange spessartine garnet crystals associated with one large and several smaller smoky quartz crystals.

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