Gemstone profile and identification guide

Larimar

Larimar is a Green, Brown silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

6.5 Mohs Aqua, Blue Silicate

Overview

Larimar is a Green, Brown silicate prized for its distinctive beauty, historic appeal, and use in fine jewellery and collector pieces.

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

Identification

Name: Larimar

Scientific classification: Silicate

Hardness: 6.5 Mohs

Transparency: transparent

Lustre: vitreous

Crystal system: Hexagonal

Primary colour: Aqua

Secondary colour: Blue

Colour family: Blues & Cyans

Physical Properties

Hardness category: medium

Hardness value: 6.5 Mohs

Chemical composition: Silicon dioxide (SiO2)

Crystal system: Hexagonal

Common locations: Worldwide deposits

Learn more: Gem-A gemstone education resources.

Colour Variations

Larimar is classified within the blues & cyans palette. Primary colour: aqua. Secondary colour: blue.

Optical effects: None specified in the current dataset.

Formation

Formed from mineral-rich fluids and heat during metamorphism or igneous activity.

Origin

Worldwide deposits

Uses

Best for: Jewellery, displays, and design accents.

Ideal uses: Versatile collections and polished showcases.

Related gemstones by colour

Related gemstones by hardness

Gemstones from the same mineral family

Commonly confused gemstones

Larimar FAQ

How can I identify Larimar?

Compare hardness (6.5 Mohs), crystal system (Hexagonal), colour profile, and lustre (vitreous) with your sample. Then cross-check related gemstones listed above.

What colour range does Larimar appear in?

Larimar is classified within the blues & cyans palette. Primary colour: aqua. Secondary colour: blue.

Where is Larimar commonly used?

Versatile collections and polished showcases.. For maintenance, follow the care guidance in this profile.