Aquamarine

E227373

Aquamarine is a blue to blue-green variety of the mineral beryl, prized as a gemstone for its clear, sea-colored appearance.

All labels observed (1)

Label Occurrences
Aquamarine canonical 3

How this entity was disambiguated

Statements (50)

Predicate Object
instanceOf gemstone
variety of beryl
associatedMineral feldspar
muscovite
quartz
belongsToMineralGroup silicate minerals
belongsToMineralSubclass cyclosilicates
birefringence 0.005–0.009
birthstoneForMonth March
chemicalFormula Be3Al2(Si6O18)
chromophoreElement iron
cleavage poor to indistinct
color blue
blue-green
commonSetting bracelets
earrings
pendants
rings
crystalSystem hexagonal
fracture conchoidal
hardnessMohs 7.5–8
luster vitreous
majorSourceCountry Afghanistan
Brazil
Madagascar
Mozambique
Nigeria
Pakistan
Russia
marketUse jewelry
mineralClass beryl
pleochroism weak to distinct
refractiveIndex 1.577–1.583
specificGravity 2.68–2.74
streak white
symbolism calmness
clarity
protection for sailors
transparency translucent
transparent
treatment heat treatment to enhance blue color
typicalCut emerald cut
oval cut
pear cut
typicalGeologicEnvironment granite pegmatites
hydrothermal veins
typicalHueDescription sea-blue
sea-green
zodiacAssociation Aries
Pisces

How these facts were elicited

Referenced by (3)

Full triples — surface form annotated when it differs from this entity's canonical label.

Emeralds distinguishedFrom Aquamarine
subject surface form: Emerald
Fox 2000 Pictures notableFilm Aquamarine
Arielle Kebbel notableWork Aquamarine