Name Iolite
Chemical Composition Mg2Al4Si5O18
Chemical Composition (Alternate) (Mg,Fe)4Al8(OH)2(Si2O7)5
Hardness 7.0 to 7.5
Refractive Index 1.53 - 1.54 to 1.54 - 1.55
Bi-refringence 0.001
Optic Sign Negative
Optical Character Biaxial
Specific Gravity 2.58 to 2.66
Crystalline System Rhombic
Only above 1 Kilo Lots of all size
Supplier: Precious and semiprecious gemstones, we specialise in iolite ( clean rough and facet grade)
Supplier: Dry abalone, raw abalone shells, frozen fish, squid, sea cucumber, all marine products, frankincense resin, rough gemstones like ruby, topaz, aquamarine, emerald, agate, turquoise, tourmaline, iolite, lapis lazuli, transparent hexagonal crystal and others of octagonal form, granite, volcanic glass and quartz
Supplier: Rough gemstones ( citrine, amethyst, tanzanite, ruby, emerald, iolite, crytal quartz, rose quartz, black tourmaline )
Supplier: Rough gemstones ( citrine, amethyst, tanzanite, ruby, emerald, iolite, crytal quartz, rose quartz, black tourmaline )
Supplier: Rough gemstones ( citrine, amethyst, tanzanite, ruby, emerald, iolite, crytal quartz, rose quartz, black tourmaline )
Supplier: Dry abalone, raw abalone shells, frozen fish, squid, sea cucumber, all marine products, frankincense resin, rough gemstones like ruby, topaz, aquamarine, emerald, agate, turquoise, tourmaline, iolite, lapis lazuli, transparent hexagonal crystal and others of octagonal form, granite, volcanic glass and quartz
Supplier: Rough gemstones, peridot, black tourmaline, ruby, bicolor sapphire, emerald, chrysoberyl, aquamarine, pyrope garnet, hessoinite garnet, green garnet, demantoid garnet, iolite, spinel, phenakite.
Supplier: Agri Products (Spices, Coconut Based Products)
Household & General Merchandise, Fuel & Energy Resources (coconut Shell Charcoal), Hotel Supplies (toiletries, Bed Linen, Misc), Gemstone & Artificial Jewellery, Handicrafts, Gifts & Decor ( Recycled Paper Products, Handloom Bean Bags, Coir Rugs/products, Misc),