Color Change Glass Gemstone & Information | Gemopedia by JTV | Gemopedia™
This man-made jewel is unique in that is displays the optical phenomenon of color change. Although this is not a natural phenomenon, it is an affordable alternative to rare and expensive color change gems, such as alexandrite. You can observe color change in this jewel by viewing it interchangeably in natural and incandescent light.
Colors
Green To Pink, Blue To Lavender
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Color-change-glass classification
CommonNameColor Change GlassSpeciesGlassVarietyZandriteColorsGreen To Pink, Blue To LavenderAlternateNamesZandriteGemstoneGroupsKeySeparationsRI, color change, magnification and warm to touchClassificationCommentsZandrite RI typically 1.532 -
Color-change-glass chemistry & crystallography
ChemicalNameSilicaChemicalFormulaSynthesisCrystalSystemNAChemistryClassificationNatureSimulantCrystallinityAmorphousChemistryComments -
Color-change-glass optical properties
TransparencyTransparentDispersionOpticalCommentsRefractiveIndex1.47-1.7
Tolerance:can go OTLBirefringenceOpticCharacterNAOpticSignNAPolariscopeReactionSingly Refractive (SR) With ADRFluorescenceSWUV:
LWUV:CCFReactionPleochroismNone -
Color-change-glass characteristic physical properties
Hardness5-6CharacteristicCommentsStreakSpecificGravity2.3-4.5ToughnessPoorInclusionsColor change glass can have mold marks, concave facets, rounded facet edges and display the orange peel effect. Glass stones often have gas bubbles, flow lines and they might show cavities on the surface.LusterVitreousStabilityFractureConchoidalCleavageNone