ALGT Certificate N° 15668937

No indication of heating.

Species ........................................................................ Natural Corundum
Variety ..................................................................................................... Ruby
DESCRIPTION
Shape & Cutting Style ................................................ Pear, Mixed Cut
Measurements ................................................. 9.70 x 6.51 x 4.20 mm
Carat Weight ............................................................................. 2.24 Carat
Color ............................................................................. Deep Purplish Red
Transparency .................................. Semi-transparent - Translucent

COMMENTS

No indication of heating.


MAIN PROPERTIES OF RUBY
Chemical Composition .................................................................. Al2O3
Crystal System ........................................................................... Trigonal
Mohs Hardness .................................................................................... 9.0
Specific Gravity ...................................................... 3.97 - 4.10 g/cm3
Optical Character ..................................................................... UniaxialRefractive Index ............................................................. 1.757 - 1.780
Birefringence ................................................................... 0.008 - 0.010

ALGT Certificate N° 15668937

No indication of heating.

Species ........................................................................ Natural Corundum
Variety ..................................................................................................... Ruby
DESCRIPTION
Shape & Cutting Style ................................................ Pear, Mixed Cut
Measurements ................................................. 9.70 x 6.51 x 4.20 mm
Carat Weight ............................................................................. 2.24 Carat
Color ............................................................................. Deep Purplish Red
Transparency .................................. Semi-transparent - Translucent

COMMENTS

No indication of heating.


MAIN PROPERTIES OF RUBY
Chemical Composition .................................................................. Al2O3
Crystal System ........................................................................... Trigonal
Mohs Hardness .................................................................................... 9.0
Specific Gravity ...................................................... 3.97 - 4.10 g/cm3
Optical Character ..................................................................... UniaxialRefractive Index ............................................................. 1.757 - 1.780
Birefringence ................................................................... 0.008 - 0.010

Gemstone type
Ρουμπίνι
Συνολικό βάρος (σε ct) για πολλαπλές πέτρες
2.24
Θεραπεία
Δεν υπάρχουν ενδείξεις επεξεργασίας
Πιστοποίηση
Antwerp Laboratory for Gemstone Testing (ALGT)
Σφραγισμένο/ Μη σφραγισμένο
Όχι

131 αξιολογήσεις (21 τους τελευταίους 12 μήνες)
  1. 20
  2. 1
  3. 0

Item received undamadged and as advertised. Delivered well wrapped/protected, with no issues. Supplier was most helpful in resolving courier arrangements which had to be adjusted. Positive experience.

Προβολή μετάφρασης
user-b1fe945fda8e

I define Ricardo as professional, serious, responsible and very helpful. The product is exactly as it is defined. THANK YOU VERY MUCH RICARDO.

Προβολή μετάφρασης
user-5bd38fe70cae
Απάντηση πωλητή

You are welcome, my pleasure, from collector to collector. Regards. Ricardo

Mooie Ammoniet. Precies wat we verwacht hadden. Goede service van Ricardo, nette ontvangst bij ophalen. Aanrader!

Προβολή μετάφρασης
user-67777e0dfdcf

Trotz Größe und Gewicht sehr gut verpackt und heil angekommen. Ein Highlight in meiner Sammlung - komplett erhalten, herrliche Optik

Προβολή μετάφρασης
user-fe26c4ab551f

Sehr schönes Exemplar eines grossen Ammoniten aus Madagaskar. Lieferung ist sicher angekommen. Danke dem Verkäufer und gerne wieder.

Προβολή μετάφρασης
user-0bc796b
Απάντηση πωλητή

You are welcome sir, from collector to collector is a very powerful Specimen. I am happy you like it and you got it safe. Regards

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131 αξιολογήσεις (21 τους τελευταίους 12 μήνες)
  1. 20
  2. 1
  3. 0