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Pyrope

Garnet

By Tim Matthews, JD, FGA, GG, DGA,
CEO and President of JTV (retired)
Published: June 2014
Modified: September 2023
Pyrope Polished Pyrope Rough Pyrope Jewelry
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Table of Contents
  • General Information
  • Pyrope Colors
  • Alternate Names
  • Countries of Origin
  • Care
  • Species/Variety

Hear the word "garnet," and what invariably comes to mind is the image of the deep red pyrope garnets belonging to the pyralspites family. Pyrope comes from the Greek words pyr and ops, meaning "fire eye." The rich reds are both affordable and beautiful, perfect for not only gemstone collections, but jewelry as well.

General Information

  • Classification
  • Optical Properties
  • Characteristic Physical Properties
  • Chemistry & Crystallography
Common Name
Pyrope
Species
Garnet
Transparency
Transparent - Semitranslucent
Dispersion
Strength: Moderate Fire Value: 0.022
Refractive Index
1.730-1.750
Optic Character
NA
Optic Sign
NA
Polariscope Reaction
Singly Refractive (SR) With ADR
Fluorescence
SWUV: Inert
LWUV: Inert
Pleochroism
None
Hardness
7-7.5
Streak
White
Specific Gravity
3.620-3.870 Range:0.09/-0.16 Typical:3.780
Toughness
Varies
Inclusions
Pyrope garnet is a type II clarity stone. Needle like inclusions and irregular, rounded crystals that can be apatite or zircon.
Luster
Vitreous
Stability
Good
Fracture
Conchoidal
Cleavage
None
Chemical Name
magnesium aluminum silicate
Chemical Formula
Mg3Al2(SiO4)3
Crystal System
Cubic
Chemistry Classification
Silicate

Pyrope Colors

  • Black Pyrope
    Black
  • Brown Pyrope
    Brown
  • Colorless Pyrope
    Colorless
  • Orange Pyrope
    Orange
  • Pink Pyrope
    Pink
  • Red Pyrope
    Red
  • Red Pyrope
    Red

Alternate Names

Anthill Garnet. Chrome Pyrope, Bohemian Garnet (Not Recommended)

Countries of Origin

Myanmar; Angola; Kazakhstan; Portugal; Solomon Islands; Austria; Mongolia; Mozambique; Korea (the Republic of); Unknown; Brazil; Lesotho; Colombia; Argentina; Hungary; Japan; Ukraine; Ghana; Zambia; India; New Zealand; Canada; Finland; Italy; South Africa; Antarctica; Venezuela (Bolivarian Republic of); Germany; Tanzania, United Republic Of; Russian Federation; Viet Nam; Czechia; United States of America; Madagascar; Thailand; United Kingdom of Great Britain and Northern Ireland; China; Poland; Slovakia; France; Jordan; Sri Lanka; Kenya; Switzerland; Mauritania; Norway; Botswana; Denmark; Dominican Republic; Zimbabwe; Israel; Australia

Care

Normal Care

Species/Variety

Anthill or Chrome Garnet

Anthill or Chrome Garnet comes from the four corners area of Arizona in a remote section of the Navajo Nation. When ants build their colonies, they bring up garnets to the surface and this is how they get their name anthill garnet. In the 1800’s the Navajos used water-worn and rounded anthill garnets as bullets.

Anthill or Chrome Garnet Pyrope
Anthill or Chrome Garnet Pyrope
  • Classification
Common Name
Anthill or Chrome Garnet
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