Native phosphorus is an exceedingly rare and highly unstable mineral species. It is typically found in minute quantities within sedimentary phosphate deposits and is known for its extreme sensitivity to oxidation, often requiring storage in inert environments.

Hardness
0.5
Mohs
Luster
Waxy
Streak
White
Transparency
Translucent

Is this native phosphorus?

5-step field check

Run through these checks against the specimen in your hand. The more boxes tick, the more confident the ID.

  • 1
    Test the hardness
    Try to scratch native phosphorus with a known reference. Native Phosphorus sits at Mohs 0.5, softer than the next harder reference, harder than the previous one.
  • 2
    Check the streak
    Drag the specimen across an unglazed porcelain plate. Streak: white.
  • 3
    Read the luster
    Hold the specimen under a strong light. Luster: waxy.
  • 4
    Match the color range
    Compare against the expected color range: white, colorless, yellow.
  • 5
    Look at form & habit
    Crystal system: monoclinic. Typical habit: rarely found as microscopic crystals, usually as encrustations or nodules.

Often found alongside native phosphorus

Minerals reported to co-occur with native phosphorus. Spotting these in float or country rock is a strong cue you are in the right ground.

All properties

Chemical formula
P
Mohs hardness
0.5
Density
1.82 g/cm³
Streak
White
Luster
Waxy
Transparency
Translucent
Crystal system
Monoclinic
Crystal habit
Rarely found as microscopic crystals, usually as encrustations or nodules
Cleavage
None
Rarity
Rare
Uses
Collector
Host rock
sedimentary phosphate deposits

Where rockhounds find native phosphorus

Classic worldwide localities

  • Sweden
  • USA
  • Russia

Field-hunting tip

Where it forms: sedimentary phosphate deposits. If you start seeing apatite, iron oxides in float, you are in the right ground. Typical habit: rarely found as microscopic crystals, usually as encrustations or nodules. Train your eye for that shape before scanning the outcrop.

Common questions

How do you identify native phosphorus?+
Mohs hardness is 0.5. Luster: waxy. The streak is white. Common colors include white, colorless, yellow.
Where is native phosphorus found?+
Notable localities include Sweden; USA; Russia.
Is native phosphorus safe to handle?+
Native phosphorus is highly reactive and can spontaneously ignite in air (pyrophoric); it is also extremely toxic if ingested or inhaled as vapor. Handle only under strictly controlled inert laboratory conditions.
What minerals are found with native phosphorus?+
Native Phosphorus commonly co-occurs with apatite, iron oxides. Spotting any of these in float or country rock is a useful trip signal.
What kind of rock does native phosphorus form in?+
Where it forms: sedimentary phosphate deposits. Working float back to the host body is the standard way to chase a fresh occurrence.
What is native phosphorus used for?+
Native Phosphorus is used in collector.

Find native phosphorus on the map

RockHoundR shows mapped rockhounding spots, access rules, and lets you log every find.

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