Example image of eyePlorer eyePlorer map for 'Turquoise': Aluminium Chemical formula Copper Gemstone Hydrate Hydroxide Mineral Phosphate French language Turkey Mohs scale of mineral hardness Cryptocrystalline Crystal Crystal system Triclinic crystal system X-ray scattering techniques Porosity Relative density Lustre (mineralogy) Transparency and translucency Dehydration Iron Gemology Refractive index Refractometer Sodium Birefringence Absorption spectrum Spectrometer Fluorescence Ultraviolet X-ray Hydrochloric acid Conchoidal fracture Fracture Limonite Pyrite Redox Weathering Apatite Azurite Chalcopyrite Feldspar Malachite Arid Volcano Intrusion Alunite Supergene (geology) Hydrothermal circulation