Disambiguation evidence for Emeralds via surface form

"Emerald"


As subject (50)

Triples where this entity appears as subject under the label "Emerald".

Predicate Object
associatedAnniversary 20th wedding anniversary
associatedAnniversary 35th wedding anniversary
associatedAnniversary 55th wedding anniversary
birthstoneFor May
chemicalFormula Be3Al2(SiO3)6
clarityCharacteristic Frequently included
color Green
coloringElement Chromium
coloringElement Vanadium
commonCut Emerald cut
commonCut Step cut
crystalSystem Hexagonal
distinguishedFrom Aquamarine
distinguishedFrom Beryl
surface form: Heliodor
distinguishedFrom Morganite
hardnessOnMohsScale 7.5–8
historicalAssociation Pharaonic Egypt
surface form: Ancient Egypt
instanceOf Gemstone
instanceOf Precious stone
instanceOf Variety of beryl
luster Vitreous
majorSourceCountry Afghanistan
majorSourceCountry Brazil
majorSourceCountry Colombia
majorSourceCountry Ethiopia
majorSourceCountry Pakistan
majorSourceCountry Russia
majorSourceCountry Zambia
majorSourceCountry Zimbabwe
marketCategory Colored gemstone
memberOf Emeralds self-linksurface differs
surface form: Beryl family
mineralGroup Beryl
opticalPhenomenon Pleochroism
pleochroicColors Bluish green
pleochroicColors Yellowish green
rarityComparedTo More rare than diamond of similar size and quality
refractiveIndex 1.565–1.602
specificGravity 2.67–2.78
symbolism Fertility
symbolism Love
symbolism Prosperity
symbolism Rebirth
symbolism Wisdom
transparency Transparent to translucent
treatment Often oil-treated to enhance clarity
typicalInclusions Fractures
typicalInclusions Three-phase inclusions
typicalUse Jewelry
valuedFor Rarity
valuedFor Rich green hue