Emerald Raw Rough Stone Gemstone

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.

Emeralds are precious gemstones known for their rich green color, primarily composed of beryllium aluminum silicate (BeAlSiO) with traces of chromium and vanadium giving them their distinct hue.

Key Properties:
Color: Deep green to bluish-green

Hardness: 7.5-8 on the Mohs scale

Transparency: Transparent to opaque

Luster: Vitreous (glassy)

Formation: Found in hydrothermal veins and pegmatites, often in association with quartz and feldspar.

Common Applications:
Jewelry- Used in rings, necklaces, earrings, and bracelets as a luxury gemstone.

Collectors & Investments -High-quality emeralds are valuable and sought after as investment pieces.

Industrial Use - Synthetic emeralds are used in optical instruments and lasers.

Spiritual & Healing Beliefs - Some believe emeralds bring luck, wisdom, and emotional balance.

Product Grades:
Emeralds are graded based on color, clarity, cut, and carat weight (the "Four Cs"):

AAA Grade (Gem-Quality) -Deep green, high clarity, few inclusions, very valuable.

AA Grade - Slightly lighter green with minor inclusions, still premium quality.

A Grade â?? More visible inclusions, slightly lower saturation but still used in fine jewelry.

B/C Grade -Noticeable inclusions, lighter or uneven color, often used in lower-end jewelry.

Industrial Grade -Synthetic or heavily included stones, used in optical applications and lasers.

Price per Carat/Ton:
Emerald pricing varies significantly based on quality and origin:

Low-Quality (Industrial): $10â??$100 per carat

Mid-Quality (Commercial): $100-$1,000 per carat

High-Quality (Gem-Grade): $1,000-$100,000+ per carat (Colombian, Zambian, or Brazilian origin)

For bulk purchases (by ton), raw emerald ore or lower-grade material is priced differently, depending on clarity, color, and market demand. Would you like assistance in finding specific suppliers or current market rates?

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 +

Brazilian Emerald Rough. Well saturated, clean material for large manufacturer. Material cuts easily and takes oil well. Material will cut up to 8x6 mm size. 8 kilos of the same quality available. Ideally would like one maker for the lot. Prefer agent present in the US to examine and purchase.
See cut samples for product representation. This is a serious production of excellent quality rough with a potential for a seven figure USD return.
Thank You!

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