Gemstone profile and identification guide

Tsavorite

Tsavorite is the vivid green variety of grossular garnet colored by vanadium/chromium.

7 Mohs Vivid Green, Green Silicate (Garnet Group: Grossular Variety)
Tsavorite

Overview

Tsavorite is the vivid green variety of grossular garnet colored by vanadium/chromium.

Did you know? Tsavorite is generally untreated, which is a major trade advantage.

Use this profile as a collector reference and educational guide for quick on-page comparison, then validate with the interactive identification system.

Identification

Name: Tsavorite

Scientific classification: Silicate (Garnet Group: Grossular Variety)

Hardness: 7 Mohs

Transparency: transparent

Lustre: vitreous

Crystal system: Isometric (Cubic)

Primary colour: Vivid Green

Secondary colour: Green

Colour family: Greens

Cubic garnet behavior with vivid green grossular chemistry identifies tsavorite.

Verification Status

Status: verified-core-fields

Reference priority: GIA, Gem-A, Mindat, International Gem Society

Core identity, locality, and physical-property fields reviewed against standard gemological references.

Trade-name and treatment-sensitive entries include explicit disclosure language where applicable.

Physical Properties

Hardness category: hard

Hardness value: 7 Mohs

Chemical composition: Calcium aluminum silicate grossular with vanadium/chromium coloring

Crystal system: Isometric (Cubic)

Common locations: Kenya, Tanzania, Madagascar

Learn more: Gem-A gemstone education resources.

Colour Variations

Bright green grossular garnet variety with high brilliance.

Optical effects: None specified in the current dataset.

Detailed Gemology

Mineral species: Grossular garnet (tsavorite variety)

Mineral group: Garnet group

Chemical formula: Calcium aluminum silicate grossular with vanadium/chromium coloring

Mohs hardness: 7

Crystal system: Isometric (Cubic)

Lustre: vitreous

Transparency: transparent

Streak: White

Cleavage: None

Fracture: Conchoidal to uneven

Specific gravity: 3.57-3.73

Refractive index: 1.74-1.75

Optical phenomena: None typically diagnostic

Colour range: Bright yellow-green to deep green

Common inclusions: Species-dependent inclusions and growth features

Geological environment: Species-dependent

Principal mining regions: Kenya, Tanzania, Madagascar

Important commercial sources: Tsavorite is primarily mined in East African metamorphic terrains

Historical significance: Recognized in gemological and lapidary trade.

Common treatments: Generally untreated.

Synthetic or imitation forms: Imitations may exist depending on species.

Common look-alikes: Species-dependent look-alikes.

Jewellery uses: Used in fine faceted jewelry as an emerald-alternative green gem.

Care recommendations: Durable for jewelry and suitable for regular wear.

Cross-check profile data with GIA Gem Encyclopedia and Mindat entry for Tsavorite.

Formation

Forms in metamorphic rocks under specific trace-element conditions.

Origin

Tsavorite is primarily mined in East African metamorphic terrains

Uses

Best for: Used in fine faceted jewelry as an emerald-alternative green gem.

Ideal uses: High-end green gemstone jewelry.

Gemstones from the same mineral family

Tsavorite FAQ

How can I identify Tsavorite?

Compare hardness (7 Mohs), crystal system (Isometric (Cubic)), colour profile, and lustre (vitreous) with your sample. Then cross-check related gemstones listed above.

What colour range does Tsavorite appear in?

Bright green grossular garnet variety with high brilliance.

Where is Tsavorite commonly used?

High-end green gemstone jewelry.. For maintenance, follow the care guidance in this profile.