Minium
A variety of Minerals
What is Minium?
Minium is a genus of thalloid alga. The thalli take a crustose form.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Minium 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.
Minium Localities Map
See where Minium is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Red, brownish-red, yellowish tint at times; red in transmitted light.
- Hardness (Mohs)
- 2.5
- Density
- 8.92 g/cm³
- Streak
- Orange-yellow
Chemical Properties
- Chemical Formula
- Pb3O4
- Elements
- O, Pb
Also Known As
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Minium FAQs
How do I identify Minium?
Minium can be identified by its hardness of 2.5 on the Mohs scale, Red color. Look for these key characteristics when examining specimens.
What color is Minium?
Minium typically appears in Red, brownish-red, yellowish tint at times; red in transmitted light.. Color can vary depending on impurities and formation conditions.
How hard is Minium?
Minium has a hardness of 2.5 on the Mohs scale. This makes it a soft mineral that can be scratched easily.
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