Pyrope
What is Pyrope?
Pyrope is a member of the garnet group of minerals. It is a magnesium aluminum silicate, and its name comes from the Greek word "pyropos," meaning "fire-eyed," due to its fiery red color. Pyrope is prized as a gemstone and is often used in jewelry.
Optical Properties
- Refractive Index
- 1.730-1.760
- Birefringence
- None
- Pleochroism
- None
- Optical Character
- Isotropic
- Dispersion
- 0.022
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Pyrope 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.
Pyrope Localities Map
See where Pyrope is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
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Quick Facts
Physical Properties
- Color
- Red, ranging from deep crimson to purplish-red. Can also be orange or brownish-red.
- Hardness (Mohs)
- 7 - 7.5
- Density
- 3.65 to 3.80 g/cm³
- Streak
- White
Chemical Properties
- Chemical Formula
- (Mg,Fe)3Al2(SiO4)3
- Elements
- Silicon, Magnesium, Aluminum, Oxygen
Also Known As
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Pyrope FAQs
How do I identify Pyrope?
Pyrope can be identified by its hardness of 7 - 7.5 on the Mohs scale, Red color. Look for these key characteristics when examining specimens.
What color is Pyrope?
Pyrope typically appears in Red, ranging from deep crimson to purplish-red. Can also be orange or brownish-red.. Color can vary depending on impurities and formation conditions.
How hard is Pyrope?
Pyrope has a hardness of 7 - 7.5 on the Mohs scale. This makes it a relatively hard mineral suitable for jewelry.