English 
French 
German TOURMALINE
(Indicolite) 12.7 CARATS
Hardness: 7 – 7 ½
IR : 1.62 – 1.65
Birefringence: 0.014 – 0.021
Density: 3.0 – 3.1 <
Stability: Very good
Origin: XXX
Our company
Presentation
AETERNIS company specializes in the trading of precious and fine stones.
This independent company was created by Jean-Marie Albanese, an engineer by training, gemologist and trader by choice.
AETERNIS offers its services to :
Jewelry workshops and houses
Jewelers
Creative craftsmen
Individuals…
Jean-Marie Albanese
Scientist and engineer by training, I decided, after a career in the international industry, and having cultivated experience and rigour, to create my company in order to live my passion for beautiful crystals and artistic craftsmanship. .
Engineer Gadzart, ENSAM, National School of Arts and Crafts, Paris,
Graduated from Pierre and Marie Curie University, Paris,
Graduated from Gem-A, Gemological Association of Great Britain, London,
Graduated from HRD, Diamond High Council, Antwerp,
Gemologist by choice, passionate about art, amazed by stones and their colors, my job is to discover the best in terms of precious and fine stones. I provide jewelers, artisans and all enthusiasts with the unique stones they are looking for. I also provide logistics for supplying workshops and jewelery houses with colored stones and diamonds.
“ I continue to travel in search of sapphires, spinels, garnets, aquamarines, emeralds and other tourmalines… which will adorn your jewelry.
I am looking for stones that can be part of my clients' creative process or renew it with original stone proposals. ”
Some gems from our collection
AMETHYST
7.4 CARATS
Hardness: 7
IR : 1.54 – 1.56
Birefringence: 0.009
Density: 2.65
Stability: Good
Origin : Bolivia
WELO OPAL
4.3 CARATS
Hardness: 6
IR : 1.40 – 1.46
Birefringence: none
Density: 2.00 – 2.10
Stability: Medium
Origin : Ethiopia
IMPERIAL TOPAZ
2.7 CARATS
Hardness: 8
IR : 1.61 – 1.64
Birefringence: 0.008 – 0.010
Density: 3.5 – 3.6
Stability: Good
Origin: Brazil
EMERALD
2.6 CARATS
Hardness: 7 ½
IR : 1.57 – 1.60
Birefringence: 0.006 – 0.008
Density: 2.65 – 2.80
Stability: Medium
Origin : Zambia
SPINEL
4.1 CARATS
Hardness: 8
IR : 1.72 – 1.73
Birefringence: None
Density: 3.61 – 3.67
Stability: Very good
Origin: Tanzania
DIAMOND
1.4 CARATS
Hardness: 10
IR : 2.42
Birefringence: none
Density: 3.52
Stability: Excellent
Color D, Purity VVS1
Aigue-marine
7.2 CARATS
Hardness: 7 ½
IR : 1.56 – 1.60
Birefringence: 0.003 – 0.010
Density: 2.65 – 2.80
Stability: Good
Origin : Madagascar
Know how
Our company places its level of requirement by thinking of the passion that each designer wants to place in their jewellery.
We specialize in finding center stones from Sri Lanka, Thailand, Burma or Cambodia, Brazil, Zambia or Tanzania…
“ My credo is extreme quality, quality of materials and quality of sizes. I believe that only the full satisfaction of my customers can ensure the future of the service provided by the company that I created… and that I continue to build every day, stone by stone, collaboration after collaboration. ”