Calsilica Gemstone & Information | Gemopedia by JTV | Gemopedia™

Calsilica

Also called "rainbow calsilica," this is a man-made material that displays vibrant layers of bold color. It consists of a mixture of calcite, plastic and coloring pigments. This unique stone is often used in jewelry and carvings to show off its distinctive coloration.

Colors

Blue, Green, Yellow, Orange, Red, Black Stripes

  • Calsilica classification

    CommonName
    Calsilica
    Species
    NA
    Variety
    Colors
    Blue, Green, Yellow, Orange, Red, Black Stripes
    AlternateNames
    Rainbow Calsilica
    GemstoneGroups
    KeySeparations
    Appearance
    ClassificationComments
  • Calsilica chemistry & crystallography

    ChemicalName
    calcium carbonate + dye and plastic
    ChemicalFormula
    Ca(CO3)+dye and plastic
    Synthesis
    CrystalSystem
    NA
    ChemistryClassification
    Carbonate
    Nature
    Synthetic
    Crystallinity
    Aggregate
    ChemistryComments
  • Calsilica optical properties

    Transparency
    Opaque
    Dispersion
    OpticalComments
    RefractiveIndex
    Birefringence
    OpticCharacter
    OpticSign
    PolariscopeReaction
    Aggregate (AGG)
    Fluorescence
    SWUV: Variable
    LWUV: Variable
    CCFReaction
    Pleochroism
    None
  • Calsilica characteristic physical properties

    Hardness
    CharacteristicComments
    Streak
    SpecificGravity
    1.88-1.92
    Toughness
    Inclusions
    Calsilica has multicolored stripes or layers of granular material. Occasionally bubbles plastic-like material or bubbles are seen between layers.
    Luster
    Stability
    Fracture
    Cleavage
    None