Morganite Gemstone & Information | Gemopedia by JTV | Gemopedia™

Morganite

Morganite is the pretty, peachy-pink variety of beryl, cousin to more familiar beryls like emerald and aquamarine. Morganite's beautiful, feminine colors are a result of the presence of manganese. After its discoveries in California and Madagascar in the early 20th century, this pink beryl was renamed morganite as suggested by famed gemologist George F. Kunz. Named in honor of financier and gem enthusiast J. P. Morgan, morganite has many redeeming qualities, including durability, luster, clarity and brilliance. Though there are also small deposits in Brazil, Mozambique, Namibia, Afghanistan, and Russia, quality morganite remains relatively rare. Ironically, it is morganite's rarity that keeps it relatively affordable, since there aren't enough standard-sized stones available for use in manufactured jewelry.

Colors

Pink, Salmon Pink, Purplish Pink

  • Morganite classification

    CommonName
    Morganite
    Species
    Beryl
    Variety
    Morganite
    Colors
    Pink, Salmon Pink, Purplish Pink
    AlternateNames
    Pink Beryl, Rose Beryl, Cesian
    GemstoneGroups
    KeySeparations
    refractive index, birefringence and optic character. Magnification is the key test for separating natural from synthetic morganite.
    ClassificationComments
    Misnomer: pink emeraldStone will lose it's color if exposed to high temperatures. Manganese is the coloring element.
  • Morganite chemistry & crystallography

    ChemicalName
    beryllium aluminum silicate
    ChemicalFormula
    Be3Al2(SiO3)6
    Synthesis
    overgrowth hydrothermal
    CrystalSystem
    Hexagonal
    ChemistryClassification
    Silicate
    Nature
    Natural
    Crystallinity
    Crystalline
    ChemistryComments
  • Morganite optical properties

    Transparency
    Transparent
    Dispersion
    Strength: weak fire Value: 0.014
    OpticalComments
    RefractiveIndex
    1.583-1.59
    Tolerance:(+0.012/-0.011)
    Birefringence
    0.007-0.008
    OpticCharacter
    Uniaxial
    OpticSign
    Negative
    PolariscopeReaction
    Doubly Refractive (DR)
    Fluorescence
    SWUV: Inert to weak pink to violetish red
    LWUV: Inert to weak pink to violetish red
    CCFReaction
    Pleochroism
    Dichroic, unobservable or weak, varying shades of body color
  • Morganite characteristic physical properties

    Hardness
    7.5
    CharacteristicComments
    Streak
    White
    SpecificGravity
    2.8-2.91
    Toughness
    Good
    Inclusions
    Morganite is a type I clarity stone. Inclusions are rare but liquid and two-phase inclusions, hollow or liquid-filled parallel tubes and fingerprints are sometimes seen.
    Luster
    Vitreous
    Stability
    Good
    Fracture
    Conchoidal
    Cleavage
    Poor, in one direction