Ruby-In-Zoisite Gemstone & Information | Gemopedia by JTV | Gemopedia™

Ruby-In-Zoisite

Ruby in zoisite is a translucent to opaque rock composed of ruby crystals, green zoisite and black hornblende. The official name for this gem is "anyolite," from the Masai word anyoli, meaning "green." This gem is usually used as an ornamental stone due to its stunning color contrasts.

Colors

Purplish Red In Green, Black Matrix

  • Ruby-in-zoisite classification

    CommonName
    Ruby-In-Zoisite
    Species
    Corundum and Zoisite
    Variety
    Colors
    Purplish Red In Green, Black Matrix
    AlternateNames
    Anyolite
    GemstoneGroups
    KeySeparations
    Appearance and RI
    ClassificationComments
    Some areas might have a 1.700 RI if tested in green zoisite matrix.
  • Ruby-in-zoisite chemistry & crystallography

    ChemicalName
    aluminum oxide and calcium aluminum silicate hydroxide
    ChemicalFormula
    Al2O3 and Ca2Al3(SiO4)3(OH)
    Synthesis
    CrystalSystem
    Trigonal
    ChemistryClassification
    Silicate
    Nature
    Natural
    Crystallinity
    Aggregate
    ChemistryComments
  • Ruby-in-zoisite optical properties

    Transparency
    Translucent - Opaque
    Dispersion
    OpticalComments
    RefractiveIndex
    1.76-1.77
    Birefringence
    OpticCharacter
    OpticSign
    PolariscopeReaction
    Aggregate (AGG)
    Fluorescence
    SWUV: Inert
    LWUV: Inert
    CCFReaction
    Pleochroism
    None
  • Ruby-in-zoisite characteristic physical properties

    Hardness
    CharacteristicComments
    Streak
    SpecificGravity
    3.1-3.4
    Toughness
    Inclusions
    Ruby areas might show hexagonal outline.
    Luster
    Vitreous
    Stability
    Fracture
    Uneven
    Cleavage
    None