Heazlewoodite
A variety of Minerals
What is Heazlewoodite?
Heazlewoodite, Ni3S2, is a rare sulfur-poor nickel sulfide mineral found in serpentinitized dunite. It occurs as disseminations and masses of opaque, metallic light bronze to brassy yellow grains which crystallize in the trigonal crystal system. It has a hardness of 4, a specific gravity of 5.82. Heazlewoodite was first described in 1896 from Heazlewood, Tasmania, Australia.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Heazlewoodite before comparing listings or appraisals.
Size & Weight
Larger, intact specimens usually command higher prices.
Rarity & Demand
Scarce material or popular varieties sell at a premium.
Condition & Finish
Chips, repairs, and heavy wear lower value; clean prep helps.
Treatment & Provenance
Untreated specimens with documented locality are prized.
Heazlewoodite Localities Map
See where Heazlewoodite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Key Characteristics
Formation of Heazlewoodite
Heazlewoodite is known from few ultramafic intrusions within terrestrial rocks. The Honeymoon Well ultramafic intrusive, Western Australia is known to contain heazlewoodite-millerite sulfide assemblages within serpentinized olivine adcumulate dunite, formed from the metamorphic process. The mineral is also reported, again in association with millerite, from the ultramafic rocks of New Caledonia. This mineral has been found in meteorites including irons and CV carbonaceous chondrites.
Quick Facts
Physical Properties
- Color
- Light bronze or brass yellow
- Hardness (Mohs)
- 4
- Density
- 5.87 g/cm³
- Streak
- Light bronze
Chemical Properties
- Chemical Formula
- Ni3S2
- Elements
- Ni, S
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Heazlewoodite FAQs
How do I identify Heazlewoodite?
Heazlewoodite can be identified by its hardness of 4 on the Mohs scale, Light bronze or brass yellow color. Look for these key characteristics when examining specimens.
What color is Heazlewoodite?
Heazlewoodite typically appears in Light bronze or brass yellow. Color can vary depending on impurities and formation conditions.
How hard is Heazlewoodite?
Heazlewoodite has a hardness of 4 on the Mohs scale. This gives it moderate hardness.
What is the formation of heazlewoodite of Heazlewoodite?
Heazlewoodite is known from few ultramafic intrusions within terrestrial rocks. The Honeymoon Well ultramafic intrusive, Western Australia is known to contain heazlewoodite-millerite sulfide assemblages within serpentinized olivine adcumulate dunite, formed from the metamorphic process. The mineral is also reported, again in association with millerite, from the ultramafic rocks of New Caledonia. This mineral has been found in meteorites including irons and CV carbonaceous chondrites.
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