About Powellite
Calcium molybdate, forming a series with Scheelite, often yellow and fluorescent. It's a stone of insight and manifestation, enhancing intuition and aiding in achieving goals.
Primary Hues
Colorless, White, Grey, Yellow, Brown, Blue, Black, often fluoresces yellow
Geological & Scientific Details
Powellite is classified as a molybdate minerals mineral which typically crystallizes in the tetragonal system. Its chemical formula is CaMoO4. Common crystal habits include flat tabular crystals often paper-thin on {001}, may be crusty to pulverulent or massive.
Key Geological Properties:
- Mineral Category: Molybdate minerals
- Chemical Formula: CaMoO4
- IMA Symbol: Pwl[1]
- Crystal System: Tetragonal
- Formula Mass (g/mol): 200.02 g/mol
- Predominant Geological Color: Straw-yellow, greenish yellow, yellow-brown, brown, colorless, may show blue to black zones
- Crystal Habit: Flat tabular crystals often paper-thin on {001}, may be crusty to pulverulent or massive
- Cleavage: Indistinct on {011}, {112} and {001}
- Luster: Adamantine
- Streak: light yellow
- Diaphaneity: Transparent
Associated Minerals
- Scheelite
- Molybdenite
- Chalcopyrite
- Pyrite
- Quartz