King Cobra Jasper
A variety of Jasper
Uncommon
What is King Cobra Jasper?
Mainly found in India, King Cobra Jasper is said to be named after the cobra snake endemic to the area where these gems are found, as well as a similarity in colors. The crystals contained within this Chalcedony gem cannot be seen by the naked human eye, making them microcrystalline in nature.
Optical Properties
- Refractive Index
- 1.54
- Birefringence
- 0.003-0.009
- Pleochroism
- None
- Optical Character
- Biaxial positive
- Dispersion
- 0.013
King Cobra Jasper Market Value Calculator
Estimate the market value of King Cobra Jasper using size, quality, and finish. This preview calculator is for quick context and is not a formal appraisal.
King Cobra Jasper Localities Map
See where King Cobra Jasper is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Map preview
North ZoneCentral RidgeSouth Basin
Health & Safety Information
- ⚠️Harm Reason: King Cobra Jasper in powdered form can be toxic due to its Crystalline Silica content.
- ⚠️Physical Toxicity: Quartz, silica, crystalline silica and flint are non-toxic materials, but very fine dust containing quartz, known as respirable crystalline silicon (RCS), can cause serious and fatal lung disease. Lapidaries should exercise caution when cutting silica.
- ⚠️How to prevent the risks of King Cobra Jasper?
Quick Facts
Physical Properties
- Hardness (Mohs)
- 6.5 - 7
- Density
- 2.5 - 2.6 g/cm³
- Streak
- White
- Luster
- Vitreous
- Crystal System
- Trigonal
Chemical Properties
- Chemical Formula
- SiO2
- Elements
- Si, O
FREE APP
4.7
Identify King Cobra Jasper Instantly
- Snap a photo, get instant results
- 6,700+ rocks, minerals & crystals
- Discover collecting spots near you