Mixite
A variety of Mixite Group
What is Mixite?
Mixite occurs in transparent and translucent blues and greens but may be colorless when placed in front of transmitted light. It has a hexagonal crystal system that gives a fibrous appearance. This rare secondary mineral can be found in oxidized copper-bismuth deposits. Mixite is named after Czech mining engineer, Anton Mixa.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Mixite 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.
Mixite Localities Map
See where Mixite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Health & Safety Information
- ⚠️Mixite dust is toxic because it contains heavy metals Arsenic, Copper, Bismuth.
- ⚠️Arsenic, Copper, Bismuth
- ⚠️It's advisable to handle mixite carefully to avoid generating dust and wash hands thoroughly afterward. When cutting or polishing mixite, wear a dust mask to prevent inhaling heavy metal particles. Store mixite in a sealed container in a well-ventilated area, away from children and pets. For those involved in crystal healing, never put it in your mouth.
Quick Facts
Physical Properties
- Color
- Pale green, blue-green, emerald-green, white, light green to colourless in transmitted light
- Hardness (Mohs)
- 3 - 4
- Density
- 4.04 g/cm³
- Streak
- Pale bluish green
- Luster
- Vitreous
- Crystal System
- Hexagonal
Chemical Properties
- Chemical Formula
- BiCu6(AsO4)3(OH)6 · 3H2O
- Elements
- As, Bi, Cu, H, O
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Mixite FAQs
How do I identify Mixite?
Mixite can be identified by its hardness of 3 - 4 on the Mohs scale, Pale green color, Vitreous luster, Hexagonal crystal system. Look for these key characteristics when examining specimens.
What color is Mixite?
Mixite typically appears in Pale green, blue-green, emerald-green, white, light green to colourless in transmitted light. Color can vary depending on impurities and formation conditions.
How hard is Mixite?
Mixite has a hardness of 3 - 4 on the Mohs scale. This makes it a soft mineral that can be scratched easily.