Museumite is not a recognized mineral species by the IMA-CNMNC. The term is occasionally used in casual hobbyist circles or historical contexts, but it lacks scientific standing and defined mineralogical properties.
Hardness
1-1.5
Mohs
Luster
Metallic
Streak
Gray-black
Is this museumite?
5-step field checkRun through these checks against the specimen in your hand. The more boxes tick, the more confident the ID.
- 1Test the hardnessTry to scratch museumite with a known reference. Museumite sits at Mohs 1-1.5, softer than the next harder reference, harder than the previous one.
- 2Check the streakDrag the specimen across an unglazed porcelain plate. Museumite leaves a gray-black streak.
- 3Read the lusterHold the specimen under a strong light. Museumite typically shows a metallic luster.
- 4Match the color rangeCompare against the expected color range: dark silver-gray.
- 5Look at form & habitCrystal system: monoclinic.
All properties
- Mohs hardness
- 1-1.5
- Density
- 9.04 g/cm³
- Colors
- Streak
- Gray-black
- Luster
- Metallic
- Crystal system
- Monoclinic
- Cleavage
- Perfect On {001}
- Rarity
- Common
Common questions
How do you identify museumite?+
Mohs hardness is 1-1.5. It typically shows a metallic luster. The streak is gray-black. Common colors include dark silver-gray.
Find museumite on the map
RockHoundR shows mapped rockhounding spots, access rules, and lets you log every find.
