Horn Gemstone & Information | Gemopedia by JTV | Gemopedia™

Horn

Natural animal horns have been used for both practical purposes and adornment for millennia. Horn is distinctively beautiful with natural earthy to golden and one-of-a-kind color variations. Its soft nature lends to ornate carving.

Colors

Cream, Yellow, Brown to almost Black

  • Horn classification

    CommonName
    Horn
    Species
    Horn
    Variety
    Colors
    Cream, Yellow, Brown to almost Black
    AlternateNames
    GemstoneGroups
    KeySeparations
    appearance, RI and magnification
    ClassificationComments
  • Horn chemistry & crystallography

    ChemicalName
    keratin
    ChemicalFormula
    horn of an animal such as a stag, rhino or bull
    Synthesis
    CrystalSystem
    NA
    ChemistryClassification
    Organic
    Nature
    Natural
    Crystallinity
    Amorphous
    ChemistryComments
  • Horn optical properties

    Transparency
    Semitransparent - Opaque
    Dispersion
    OpticalComments
    RefractiveIndex
    1.56
    Birefringence
    OpticCharacter
    NA
    OpticSign
    PolariscopeReaction
    Singly Refractive (SR)
    Fluorescence
    SWUV: Variable
    LWUV: Variable
    CCFReaction
    Pleochroism
    None
  • Horn characteristic physical properties

    Hardness
    2.5
    CharacteristicComments
    Streak
    SpecificGravity
    1.7-1.85
    Toughness
    Fair
    Inclusions
    Horn will have closely packed undulating fibrous structure that look like striations. Antlers are bone material and will have the characteristics of bone.
    Luster
    Vitreous
    Stability
    Fracture
    Uneven, Splintery
    Cleavage
    None