Bowenite Gemstone & Information | Gemopedia by JTV | Gemopedia™

Bowenite

One of the most common serpentine varieties in the gem trade is bowenite, one of the hardest of the serpentine minerals. It is a massive variety of antigorite that ranges from blue-green to green and green to yellow. It is translucent to semi-translucent, and has been used in various types of jewelry, as well as in decorative and ornamental applications.

Colors

Light To Dark Apple Green Often Mottled With White Cloudy Patches

  • Bowenite classification

    CommonName
    Bowenite
    Species
    Antigorite
    Variety
    Bowenite
    Colors
    Light To Dark Apple Green Often Mottled With White Cloudy Patches
    AlternateNames
    GemstoneGroups
    Serpentine
    KeySeparations
    RI, magnification, spectrum, appearance and surface condition.
    ClassificationComments
    Misnomer: Korean jade
  • Bowenite chemistry & crystallography

    ChemicalName
    hydrous magnesium iron phyllosilicate
    ChemicalFormula
    (Mg,Fe)3Si2O5(OH)4
    Synthesis
    CrystalSystem
    Monoclinic
    ChemistryClassification
    Silicate
    Nature
    Natural
    Crystallinity
    Microcrystalline
    ChemistryComments
  • Bowenite optical properties

    Transparency
    Translucent
    Dispersion
    OpticalComments
    RefractiveIndex
    1.53-1.575
    Birefringence
    OpticCharacter
    Biaxial
    OpticSign
    Negative
    PolariscopeReaction
    Aggregate (AGG)
    Fluorescence
    SWUV:
    LWUV:
    CCFReaction
    reddish if dyed
    Pleochroism
    Unobservable
  • Bowenite characteristic physical properties

    Hardness
    5-5.5
    CharacteristicComments
    Streak
    White
    SpecificGravity
    2.58-2.8
    Toughness
    Poor
    Inclusions
    Bowenite might show greenish sparkiing chlorite inclusions and often shows scratches and poor polish due to low mohs hardness.
    Luster
    Waxy
    Stability
    Fracture
    Uneven, Granular, Splintery
    Cleavage
    Perfect, in one direction