Vaniniite is an exceptionally rare lead-zinc vanadate mineral named after the Vanini mine in the Italian Alps. It typically occurs as small, delicate acicular clusters that are highly sought after by advanced collectors for their distinct yellow to orange hues.
Is this vaniniite?
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 vaniniite with a known reference. Vaniniite sits at Mohs 3 — softer than the next harder reference, harder than the previous one.
- 2Check the streakDrag the specimen across an unglazed porcelain plate. Vaniniite leaves a pale yellow streak.
- 3Read the lusterHold the specimen under a strong light. Vaniniite typically shows a vitreous luster.
- 4Match the color rangeCompare against the expected color range: yellow, orange, brownish-yellow.
- 5Look at form & habitCrystal system: orthorhombic. Typical habit: acicular to prismatic crystals.
Often confused with
Vaniniite vs. its common look-alikes — and how to tell them apart in the field.
How to tell apart: Streak differs — Vaniniite leaves pale yellow, Descloizite leaves orange to brownish-red; luster reads vitreous on Vaniniite and greasy to adamantine on Descloizite.
How to tell apart: Streak differs — Vaniniite leaves pale yellow, Mottramite leaves yellowish green; luster reads vitreous on Vaniniite and greasy on Mottramite.
How to tell apart: Streak differs — Vaniniite leaves pale yellow, Vanadinite leaves white; luster reads vitreous on Vaniniite and resinous on Vanadinite.
Often found alongside vaniniite
Minerals reported to co-occur with vaniniite. Spotting these in float or country rock is a strong cue you are in the right ground.
All properties
- Chemical formula
- Pb₄Zn(V₂O₇)(OH)₂
- Mohs hardness
- 3
- Density
- 4.41 g/cm³
- Streak
- Pale Yellow
- Luster
- Vitreous
- Transparency
- Translucent
- Crystal system
- Orthorhombic
- Crystal habit
- Acicular to Prismatic Crystals
- Cleavage
- None
- Rarity
- Rare
- Uses
- Collector
- Host rock
- Hydrothermal Veins
- Typical price
- $100-500 thumbnail
Where rockhounds find vaniniite
Classic worldwide localities
- Vanini mine, Italy
Field-hunting tip
Look in hydrothermal veins country — that is the host setting where vaniniite typically forms. If you start seeing calcite, galena, sphalerite in float, you are in the right ground. Field specimens usually show a acicular to prismatic crystals habit, so train your eye for that shape before scanning the outcrop.
Common questions
How do you identify vaniniite?+
Where is vaniniite found?+
How much is vaniniite worth?+
Is vaniniite safe to handle?+
What rocks look like vaniniite?+
What minerals are found with vaniniite?+
What kind of rock does vaniniite form in?+
What is vaniniite used for?+
Find vaniniite on the map
RockHoundR shows mapped rockhounding spots, access rules, and lets you log every find.
