$478Median
3516Sold (12 mo)
$175Last sale
1
Helvite with Quartz, Calcite
1
- Free shipping
- Seller offers an extended return window of up to 14 days
Ships from USA
An outstanding cabinet sized example for the species with a large grouping of lustrous chocolate brown crystals measuring 7.0 cm across on a crystallized quartz matrix with thin platy crystals of calcite. This is in super condition. Collected in 2013.
The Huanggang Mines, situated in the Hexigten Banner of Inner Mongolia within the Great Hinggan Mountains, comprise a massive skarn-type iron and tin deposit. Geologically, the area formed through the intense thermal and chemical interaction of Late Mesozoic granitic intrusions with Permian limestone and marble strata, creating an environment exceptionally rich in iron, tin, and boron. Mineralogically, the complex skarn zones are world famous for producing an incredible diversity of pristine mineral specimens, including striking clusters of lollingite, vibrant fluorite, superb ilvaite and various silicates and oxides. Historically, large-scale industrial mining began in the late 1990s for iron and tin extraction, but the site gained international renown among mineral collectors in the 21st century for yielding some of the finest aesthetic crystal specimens ever discovered.
Product details
SizeCabinet
Dimensions12.5 x 7.0 x 5.5 cm
Listed on07/16/2026
LocalityChina, Inner Mongolia, Huanggang Mine
SKU5006905
Current owner
WM
Weinrich MineralsFeatured
Learn more
Mineral guide
Learn about Quartz
a versatile mineral with clear, milky, and colored varieties; crystal forms, formation clues, and tips for identifying amethyst and citrine.Regional guide
Comments