Aquamarine

A variety of Beryl

Precious GemstoneUncommon
Aquamarine specimen

What is Aquamarine?

The pastel blue variation of the mineral beryl, aquamarine is of the same family as emeralds (green) and morganite (pink). Some of the best specimens come from the high mountains of Pakistan. Named for the Latin word for seawater, it was once thought to protect sailors at sea. It is the birthstone for March.

Uses & Applications

Aquamarine (window decorator), a software application USS Aquamarine (PYc-7), a patrol vessel of the United States Navy, named for the stone Aqua Marine, a private housing estate in Cheung Sha Wan, Hong Kong

Healing Properties

Aquamarine is believed to detoxify the body from the negative effects caused by excessive stress and mental exhaustion. It is believed that the stone helps to encourage positive energy to flow through the body and also restores vitality and drive. This stone can be used to align the chakras, bringing a sense of balance and contentment to meet the challenges of daily life.

Optical Properties

Refractive Index
1.570-1.592
Birefringence
0.005-0.009
Pleochroism
  • Dichroism: Colorless to greenish bluish, blue to sky blue
  • Greenish-blue stones - distinct: yellowish-greenish, blue-green
Optical Character
Uniaxial negative
Dispersion
0.014

Discover Values

Rarity
4.1out of 5.0
82%
Popularity
4.0out of 5.0
80%
Beauty
4.4out of 5.0
88%
Cultural Value
3.9out of 5.0
78%
Collection Value
4.3out of 5.0
86%

Market Value Factors

Pricing varies for every rock and mineral, so use these universal factors to gauge Aquamarine before comparing listings or appraisals.

Size & Weight

Larger, intact specimens usually command higher prices.

Rarity & Demand

Scarce material or popular varieties sell at a premium.

Condition & Finish

Chips, repairs, and heavy wear lower value; clean prep helps.

Treatment & Provenance

Untreated specimens with documented locality are prized.

Applies to all rocks & minerals.

Aquamarine Localities Map

See where Aquamarine is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.

Map preview
North ZoneCentral RidgeSouth Basin

Interactive map layers and collecting notes are available in the app.

The Meaning

Aquamarine has been admired by many cultures since ancient times. It was known as "the sailor's gem" among the Romans and the Greeks because the stone was used by sailors to protect them during their long-distance journeys. According to a legend, aquamarine was a magical stone that could reveal whether something is true or false by changing its color. It is the birthstone of March.

Associated Chakras

Throat
Throat

Key Characteristics

Rock Types of Aquamarine

Aquamarine occurs at most localities which yield ordinary beryl. The gem-gravel placer deposits of Sri Lanka contain aquamarine. Green-yellow beryl, such as that occurring in Brazil, is sometimes called chrysolite aquamarine. The deep blue version of aquamarine is called maxixe. Maxixe is commonly found in the country of Madagascar.

More Images

Aquamarine specimen
James St. John

Quick Facts

Physical Properties

Color
Blue
Hardness (Mohs)
7.5 - 8
Density
2.66 - 2.8 g/cm³
Streak
White
Luster
Vitreous
Crystal System
Hexagonal

Chemical Properties

Chemical Formula
Be3Al2Si6O18
Elements
Al, Be, O, Si
FREE APPTrusted by rockhounds
Ruby Glint rock identifier app

Identify Aquamarine Instantly

  • Snap a photo, get instant results
  • 6,700+ rocks, minerals & crystals
  • Discover collecting spots near you

Aquamarine FAQs

How do I identify Aquamarine?

Aquamarine can be identified by its hardness of 7.5 - 8 on the Mohs scale, Blue color, Vitreous luster, Hexagonal crystal system. Look for these key characteristics when examining specimens.

What color is Aquamarine?

Aquamarine typically appears in Blue. Color can vary depending on impurities and formation conditions.

How hard is Aquamarine?

Aquamarine has a hardness of 7.5 - 8 on the Mohs scale. This makes it a relatively hard mineral suitable for jewelry.

What is the rock types of aquamarine of Aquamarine?

Aquamarine occurs at most localities which yield ordinary beryl. The gem-gravel placer deposits of Sri Lanka contain aquamarine. Green-yellow beryl, such as that occurring in Brazil, is sometimes called chrysolite aquamarine. The deep blue version of aquamarine is called maxixe. Maxixe is commonly found in the country of Madagascar.

Related Beryl

Explore More Rocks & Minerals