Bronze
What is Bronze?
Bronze is an alloy primarily composed of copper, typically with tin as the main additive. It can also include other metals like zinc, manganese, and aluminum. Bronze is known for its durability, corrosion resistance, and aesthetic appeal, making it a versatile material used in various applications throughout history, including tools, weapons, sculptures, and architectural elements. The exact composition and properties of bronze can vary depending on the specific metals and proportions used.
Optical Properties
- Refractive Index
- 1.100
- Birefringence
- 0.000
- Pleochroism
- None
- Optical Character
- Isotropic
- Dispersion
- 0.000
Discover Values
This stone excels in cultural value.
Bronze Market Value Calculator
Estimate the market value of Bronze using size, quality, and finish. This preview calculator is for quick context and is not a formal appraisal.
Bronze Localities Map
See where Bronze is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Golden yellow to reddish-brown
- Hardness (Mohs)
- 3-4
- Density
- 8.72 g/cm³
- Luster
- Metallic
- Crystal System
- Amorphous
Chemical Properties
- Chemical Formula
- CuSn (Copper and Tin)
- Elements
- Copper, Tin, (and other metals depending on the alloy)

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