Brecciated Jasper
A variety of Jasper
What is Brecciated Jasper?
Brecciated Jasper is a widely distributed gemstone, commonly cut for jewelry and other ornamental purposes. It is prized for its vivid, rich colors and mosaic-like appearance - it consists of a number of tiny, angular fragments. These white and black fragments are usually Quartz or Hematite.
Optical Properties
- Refractive Index
- 1.54
- Birefringence
- 0.003-0.009
- Pleochroism
- None
- Optical Character
- Biaxial positive
- Dispersion
- 0.013
Discover Values
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Brecciated Jasper 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.
Brecciated Jasper Localities Map
See where Brecciated Jasper is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Health & Safety Information
- ⚠️Brecciated Jasper in powdered form can be toxic due to its Crystalline Silica content.
- ⚠️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.
- ⚠️Brecciated Jasper is typically non-toxic unless it's in powder form. Long-term exposure to finely ground powder may lead to silicosis. Therefore, when cutting or polishing brecciated Jasper, be sure to wear a dust mask to avoid inhaling its dust.
Quick Facts
Physical Properties
- Color
- Red, yellow, brown, etc.
- Hardness (Mohs)
- 6.5 - 7
- Density
- 2.58 - 2.91 g/cm³
- Streak
- White
- Luster
- Vitreous
- Crystal System
- Trigonal
Chemical Properties
- Chemical Formula
- SiO2
- Elements
- Si, O
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Brecciated Jasper FAQs
How do I identify Brecciated Jasper?
Brecciated Jasper can be identified by its hardness of 6.5 - 7 on the Mohs scale, Red color, Vitreous luster, Trigonal crystal system. Look for these key characteristics when examining specimens.
What color is Brecciated Jasper?
Brecciated Jasper typically appears in Red, yellow, brown, etc.. Color can vary depending on impurities and formation conditions.
How hard is Brecciated Jasper?
Brecciated Jasper has a hardness of 6.5 - 7 on the Mohs scale. This gives it moderate hardness.