Molybdite
A variety of Minerals
What is Molybdite?
Molybdite is the naturally occurring mineral form of molybdenum trioxide MoO3. It occurs as yellow to greenish needles and crystallizes in the orthorhombic crystal system.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Molybdite 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.
Molybdite Localities Map
See where Molybdite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Key Characteristics
Formation of Molybdite
Molybdite was first described in 1854 for and occurrence in quartz veins in the Knöttel area of Krupka, Krušné Hory Mountains in the Ústí Region of Bohemia, Czech Republic. It occurs in vein cavities and as coatings in molybdenite ore veins and quartz topaz greisens. Associated minerals include molybdenite, betpakdalite and quartz. The similar mineral ferrimolybdite is often misidentified as molybdite.
Quick Facts
Physical Properties
- Color
- colorless, light greenish yellow, also pale blue
- Hardness (Mohs)
- 3 - 4
- Density
- 4.72 g/cm³
Chemical Properties
- Chemical Formula
- MoO3
- Elements
- Mo, O
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Molybdite FAQs
How do I identify Molybdite?
Molybdite can be identified by its hardness of 3 - 4 on the Mohs scale, colorless color. Look for these key characteristics when examining specimens.
What color is Molybdite?
Molybdite typically appears in colorless, light greenish yellow, also pale blue. Color can vary depending on impurities and formation conditions.
How hard is Molybdite?
Molybdite has a hardness of 3 - 4 on the Mohs scale. This makes it a soft mineral that can be scratched easily.
What is the formation of molybdite of Molybdite?
Molybdite was first described in 1854 for and occurrence in quartz veins in the Knöttel area of Krupka, Krušné Hory Mountains in the Ústí Region of Bohemia, Czech Republic. It occurs in vein cavities and as coatings in molybdenite ore veins and quartz topaz greisens. Associated minerals include molybdenite, betpakdalite and quartz. The similar mineral ferrimolybdite is often misidentified as molybdite.
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