Parwanite is an extremely rare phosphate mineral first discovered in the Parwan Valley of Victoria, Australia. It typically occurs as small, delicate, radiating clusters or crusts within sedimentary phosphatic environments. Due to its extreme rarity, it is highly sought after by systematic mineral collectors.
Is this parwanite?
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 parwanite with a known reference. Parwanite sits at Mohs 3.5-4 — softer than the next harder reference, harder than the previous one.
- 2Check the streakDrag the specimen across an unglazed porcelain plate. Parwanite leaves a white streak.
- 3Read the lusterHold the specimen under a strong light. Parwanite typically shows a vitreous luster.
- 4Match the color rangeCompare against the expected color range: yellow, yellow-brown.
- 5Look at form & habitCrystal system: orthorhombic. Typical habit: bladed or radiating clusters.
Often confused with
Parwanite vs. its common look-alikes — and how to tell them apart in the field.
Often found alongside parwanite
Minerals reported to co-occur with parwanite. Spotting these in float or country rock is a strong cue you are in the right ground.
All properties
- Chemical formula
- Na₀.₅CaAl₆(PO₄)₄(OH)₈·8H₂O
- Mohs hardness
- 3.5-4
- Density
- 2.5 g/cm³
- Colors
- Streak
- White
- Luster
- Vitreous
- Transparency
- Translucent
- Crystal system
- Orthorhombic
- Crystal habit
- Bladed or Radiating Clusters
- Cleavage
- Good
- Rarity
- Rare
- Uses
- Collector
- Host rock
- Sedimentary Phosphate Deposits
- Typical price
- $50-300 per specimen
Where rockhounds find parwanite
Classic worldwide localities
- Parwan Valley, Victoria, Australia
Field-hunting tip
Look in sedimentary phosphate deposits country — that is the host setting where parwanite typically forms. If you start seeing wavellite, goethite, kaolinite in float, you are in the right ground. Field specimens usually show a bladed or radiating clusters habit, so train your eye for that shape before scanning the outcrop.




