Specializing in high-quality gemstones, NexEase International offers a variety of precious and semi-precious stones like diamonds, rubies, sapphires, and emeralds. Sourced from trusted global suppliers, our gemstones ensure authenticity and exceptional craftsmanship. Perfect for the jewelry business or collectors, we provide a reliable supply of stunning gemstones tailored to your needs.
We offer high quality Colombian emeralds with purity certificates, perfect as an investment.
To obtain information about emeralds, send a message to the WhatsApp number +
The emeralds we have are natural, untreated, Grade A
Each Emerald has an independent certificate.
The emeralds are in our Office in Coimbra-Portugal if you would like to schedule a visit.
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
Stone: Natural Gemstone Citrine
Price: 1449USD
Shipping: Via FedEx (Courier Charge should be bear by the customer and the exact FedEx charge we will let you know after you confirm your )
Please quote for the following wholesale or retail - Product name: Rough common Opal Stones Specifications: Common Opal in different shapes Color: Agat, orange, white and brown Shipping Terms: To be discussed with buyers Payment Terms: Prefer Bank Transfer Looking for buyers from: Worldwide Contact: Aliozlu
