Dyscrasite
A variety of Minerals
What is Dyscrasite?
The silver antimonide mineral dyscrasite has the chemical formula Ag3Sb. It is an opaque, silver white, metallic mineral which crystallizes in the orthorhombic crystal system. It forms pyramidal crystals up to 5 cm (2.0 in) and can also form cylindrical and prismatic crystals.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Dyscrasite 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.
Dyscrasite Localities Map
See where Dyscrasite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Key Characteristics
Characteristics of Dyscrasite
Dyscrasite is a metal ore and is opaque. In reflected light, however, it demonstrates weak anisotropism. Dyscrasite’s color under plane polarized light is most likely dark grey/black. When spun on a rotatable stage of a microscope (under plane polarized light), dyscrasite’s color should slightly change shades. This property is called pleochroism. Dyscrasite exhibits very weak reflected light pleochroism. Dyscrasite belongs to the orthorhombic crystal class, meaning all three of its axes (a, b, and c) are unequal in length and are 90° to each other.
Formation of Dyscrasite
It was first described for an occurrence in 1797 in the Wenzel Mine, Black Forest, Germany. The name dyscrasite comes from the Greek word δυσκράσις, meaning "a bad alloy." It occurs as a hydrothermal mineral in silver bearing veins in association with native silver, pyrargyrite, acanthite, stromeyerite, tetrahedrite, allemontite, galena, calcite and baryte.
Quick Facts
Physical Properties
- Color
- Silver White
- Hardness (Mohs)
- 3.5 - 4
- Density
- 9.72 g/cm³
- Streak
- Silver-white
Chemical Properties
- Chemical Formula
- Ag3Sb
- Elements
- Ag, Sb
Also Known As
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Dyscrasite FAQs
How do I identify Dyscrasite?
Dyscrasite can be identified by its hardness of 3.5 - 4 on the Mohs scale, Silver White color. Look for these key characteristics when examining specimens.
What color is Dyscrasite?
Dyscrasite typically appears in Silver White. Color can vary depending on impurities and formation conditions.
How hard is Dyscrasite?
Dyscrasite has a hardness of 3.5 - 4 on the Mohs scale. This gives it moderate hardness.
What is the characteristics of dyscrasite of Dyscrasite?
Dyscrasite is a metal ore and is opaque. In reflected light, however, it demonstrates weak anisotropism. Dyscrasite’s color under plane polarized light is most likely dark grey/black. When spun on a rotatable stage of a microscope (under plane polarized light), dyscrasite’s color should slightly change shades. This property is called pleochroism. Dyscrasite exhibits very weak reflected light pleochroism. Dyscrasite belongs to the orthorhombic crystal class, meaning all three of its axes (a, b, and c) are unequal in length and are 90° to each other.
What is the formation of dyscrasite of Dyscrasite?
It was first described for an occurrence in 1797 in the Wenzel Mine, Black Forest, Germany. The name dyscrasite comes from the Greek word δυσκράσις, meaning "a bad alloy." It occurs as a hydrothermal mineral in silver bearing veins in association with native silver, pyrargyrite, acanthite, stromeyerite, tetrahedrite, allemontite, galena, calcite and baryte.
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