Hollingworthite
A variety of Minerals
What is Hollingworthite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Hollingworthite 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.
Quick Facts
Physical Properties
- Color
- Medium gray, slight bluish tint in oil
- Hardness (Mohs)
- 6 - 6.5
- Rock tumbling
- With care
Chemical Properties
- Chemical Formula
- (Rh,Pt,Pd)AsS
- Elements
- As, Rh, S

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Hollingworthite FAQs
How do I identify Hollingworthite?
Hollingworthite can be identified by its hardness of 6 - 6.5 on the Mohs scale, Medium gray color. Look for these key characteristics when examining specimens.
What color is Hollingworthite?
Hollingworthite typically appears in Medium gray, slight bluish tint in oil. Color can vary depending on impurities and formation conditions.
How hard is Hollingworthite?
Hollingworthite has a hardness of 6 - 6.5 on the Mohs scale. This gives it moderate hardness.


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