Limonite
What is Limonite?
Limonite, a field-term utilized for unidentified massive hydroxides and oxides of iron, is recognized for its absence of visible crystals and its characteristic yellow-brown streak. It often exhibits a yellow-brown color and a dull earthy luster. Limonite is found in various locations around the world and is frequently associated with other iron-bearing minerals.
Discover Values
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Limonite 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.
Where to Find Limonite
RockHoundR, the free-to-download rockhounding map from the Ruby Glint team, shows where collectors find limonite in the US, with land-access notes for BLM land and national forests. Collecting is banned in national parks.
See where to find limoniteAlways check the local rules and get the landowner's permission before you collect.
Key Characteristics
Composition of Limonite
Goethite, Lepidocrocite, Hematite
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Quick Facts
Physical Properties
- Color
- Brown, brownish-yellow, brownish-red
- Hardness (Mohs)
- 4 - 5.5
- Rock tumbling
- Not recommended
- Density
- 2.7 - 4.3 g/cm³
Also Known As
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Limonite FAQs
How do I identify Limonite?
Limonite can be identified by its hardness of 4 - 5.5 on the Mohs scale, Brown color. Look for these key characteristics when examining specimens.
What color is Limonite?
Limonite typically appears in Brown, brownish-yellow, brownish-red. Color can vary depending on impurities and formation conditions.
How hard is Limonite?
Limonite has a hardness of 4 - 5.5 on the Mohs scale. This gives it moderate hardness.
What is the composition of limonite of Limonite?
Goethite, Lepidocrocite, Hematite