Guildite
A variety of Minerals
What is Guildite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Guildite 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.
Guildite Localities Map
See where Guildite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Brown, yellow
- Hardness (Mohs)
- 2.5
- Density
- 2.72 g/cm³
- Streak
- Pale yellow
Chemical Properties
- Chemical Formula
- CuFe3+(SO4)2(OH) · 4H2O
- Elements
- Cu, Fe, H, O, S
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Guildite FAQs
How do I identify Guildite?
Guildite can be identified by its hardness of 2.5 on the Mohs scale, Brown color. Look for these key characteristics when examining specimens.
What color is Guildite?
Guildite typically appears in Brown, yellow. Color can vary depending on impurities and formation conditions.
How hard is Guildite?
Guildite 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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