mineral

Raw Emerald in Matrix

Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities

Hardness: 7.5-8.0 on Mohs scale; Color: Green to bluish-green; Luster: Vitreous (glass-like); Crystal structure: Hexagonal; Specific gravity: 2.72-2.78.

Hardness: 7
Color: Green to bluish-green
Luster: Vitreous (glass-like)

Identified May 6, 2026More mineral →

Identify your own rocks.

Get a report just like this from any photo, free.

App Store Google Play

Physical properties

Hardness: 7.5-8.0 on Mohs scale; Color: Green to bluish-green; Luster: Vitreous (glass-like); Crystal structure: Hexagonal; Specific gravity: 2.72-2.78.

Formation & geological history

Formed in hydrothermal veins or pegmatites where beryllium-rich fluids interact with chromium or vanadium-bearing host rocks. Common in metamorphic environments like schists.

Uses & applications

Primary use is in the gemstone and jewelry industry. Lower-grade specimens are popular for mineral collecting and metaphysical practices.

Geological facts

Emerald is one of the four recognized precious gemstones alongside diamond, ruby, and sapphire. Unlike most other gems, inclusions (called 'jardin') are expected and often used to verify authenticity.

Field identification & locations

Identify in the field by its distinct green color and hexagonal prismatic crystal habit. Commonly found in Colombia, Brazil, Zambia, and Ethiopia. Collectors should look for vibrancy of color and crystal transparency.

Other mineral specimens

See all

Sandstone (with potential mineral staining/concretions)

Arenite (SiO2 based)

sedimentary

Schist

Metamorphic

Epidote

Epidote | Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)

metamorphic

Nephrite Jade

Nephrite

Mineral/Rock

Banded Gneiss (River Rock/Pebble)

Gneiss (specifically a banded variety often found as a river rock)

Metamorphic Rock

Green Apatite on Albite

Fluorapatite [Ca5(PO4)3F] on Albite [Na(AlSi3O8)]

mineral