Topazolite

Garnet

By Tim Matthews, JD, FGA, GG, DGA,
CEO and President of JTV (retired)
Published: June 2014
Modified: September 2023
Topazolite Polished Topazolite Rough Topazolite Jewelry

Topazolite is an Andradite Garnet that is yellow or brownish in color. It has a similar appearance to Topaz, and this resemblance inspired its name.

General Information

Common Name
Topazolite
Species
Garnet
Transparency
Opaque-Transparent
Dispersion
Strength: Strong Fire Value: 0.057
Refractive Index
Over The Limit 1.860-1.894
Optic Character
NA
Optic Sign
NA
Polariscope Reaction
Anomalous Double Refraction (ADR), Singly Refractive (SR)
Fluorescence
SWUV: Inert
LWUV: Inert
CCF Reaction
None
Pleochroism
None
Hardness
6.5-7.5
Streak
White or none
Toughness
Poor
Inclusions
Andradite garnet is a type II clarity stone. Due to low mohs hardness stones might show surface abrasions or scratches.
Luster
Vitreous
Fracture
Conchoidal, Uneven, Brittle
Cleavage
None
Chemical Name
Calcium Iron Silicate
Chemical Formula
Ca3Fe2(SiO4)3
Crystal System
Cubic
Chemistry Classification
Silicate

Topazolite Colors

  • Brown Topazolite
    Brown
  • Yellow Topazolite
    Yellow

Alternate Names

Andradite Garnet

Countries of Origin

Tanzania, United Republic Of; Iran (Islamic Republic of); Russian Federation; United States of America; Madagascar; Switzerland; New Zealand; Austria; Mozambique; Korea (the Republic of); Unknown; Italy; Mexico; Antarctica; Slovakia; Germany

Care

Normal Care