Pingguite is a rare bismuth tellurite mineral discovered in hydrothermal vein deposits. It is most easily identified by its distinctive yellow to greenish-yellow color and adamantine luster, typically found as small crystalline coatings or microscopic tabular crystals associated with native tellurium.
Is this pingguite?
5-step field checkRun through these checks against the specimen in your hand. The more boxes tick, the more confident the ID.
- 1Test the hardnessTry to scratch pingguite with a known reference. Pingguite sits at Mohs 2-3 — softer than the next harder reference, harder than the previous one.
- 2Check the streakDrag the specimen across an unglazed porcelain plate. Pingguite leaves a yellow streak.
- 3Read the lusterHold the specimen under a strong light. Pingguite typically shows a adamantine luster.
- 4Match the color rangeCompare against the expected color range: yellow, greenish-yellow.
- 5Look at form & habitCrystal system: monoclinic. Typical habit: tabular to blocky crystals, often as crusts or aggregates.
Often confused with
Pingguite vs. its common look-alikes — and how to tell them apart in the field.
Often found alongside pingguite
Minerals reported to co-occur with pingguite. Spotting these in float or country rock is a strong cue you are in the right ground.
All properties
- Chemical formula
- Bi₆Te₂O₁₃
- Mohs hardness
- 2-3
- Density
- 5.5-6.0 g/cm³
- Colors
- Streak
- Yellow
- Luster
- Adamantine
- Transparency
- Translucent
- Crystal system
- Monoclinic
- Crystal habit
- Tabular to Blocky Crystals, Often as Crusts or Aggregates
- Cleavage
- None Observed
- Rarity
- Rare
- Uses
- Collector
- Host rock
- Hydrothermal Tellurium-rich Deposits
- Typical price
- $50-300 per specimen
Where rockhounds find pingguite
Classic worldwide localities
- Dashuigou tellurium deposit, Shimian County, Sichuan, China
Field-hunting tip
Look in hydrothermal tellurium-rich deposits country — that is the host setting where pingguite typically forms. If you start seeing tellurium, bismuthinite, pyrite in float, you are in the right ground. Field specimens usually show a tabular to blocky crystals, often as crusts or aggregates habit, so train your eye for that shape before scanning the outcrop.
Common questions
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Find pingguite on the map
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