Eilat Stone Gemstone & Information | Gemopedia by JTV | Gemopedia™

Eilat Stone

The rich greens of eilat stone comes from it being a unique combination of various copper-bearing minerals including chrysocolla, malachite, azurite and turquoise. This stone is the national stone of Israel and known as King Solomon stone, as it comes from what is storied as King Solomon's mines in the Timna Valley of Israel.

Colors

Blue To Green

  • Eilat-stone classification

    CommonName
    Eilat Stone
    Species
    NA
    Variety
    Colors
    Blue To Green
    AlternateNames
    King Solomon Stone
    GemstoneGroups
    KeySeparations
    Appearance
    ClassificationComments
    National stone of Israel and must come from Israel to be true eilat stone. Mixture of chrysocolla, malachite, pseudomalachite and azurite.If the stone is tested in a chrysocolla area the RI will be 1.50 or 1.61 if tested in a malachite area. The malachite RI can blink from 1.66 to OTL and birefringence of 0.025.
  • Eilat-stone chemistry & crystallography

    ChemicalName
    ChemicalFormula
    Synthesis
    CrystalSystem
    NA
    ChemistryClassification
    Rock
    Nature
    Natural
    Crystallinity
    Aggregate
    ChemistryComments
  • Eilat-stone optical properties

    Transparency
    Semitransparent - Opaque
    Dispersion
    Strength: none
    OpticalComments
    RefractiveIndex
    1.5-1.61
    Birefringence
    0.025
    OpticCharacter
    NA
    OpticSign
    PolariscopeReaction
    Aggregate (AGG)
    Fluorescence
    SWUV: Inert
    LWUV: Inert
    CCFReaction
    Pleochroism
    None
  • Eilat-stone characteristic physical properties

    Hardness
    CharacteristicComments
    Streak
    SpecificGravity
    2.8-3.2
    Toughness
    Inclusions
    Eilat stone has a variegated and mottled appearance.
    Luster
    Vitreous
    Stability
    Fracture
    Cleavage
    None