Tourmaline, MALKHAN RUBELLITE 13,38ct Russia, MELIKIAN, excellent cut by master Dmitry Samorukov
Tourmaline 13,38 ct Russia, MELIKIAN
Tourmaline 13,38 ct Russia
GEMOLOGICAL REPORT № 129
Gemologist Olga Melikian | WA: https://wa.me/79990437349 19/12/2025
Telegram: @olgamelikianofficial | https://melikianjewelry.com
Weight: ……………………………..………………..……….. 13.38 ct
Measurements: ……………….……………. 20.50x11.05x9.19 mm
Сut: ……………………………………..…………..… antique fantasy
Color / Color saturation: …..deep brownish pink | strong saturation
Clarity: …………………………………..……..……. slightly included
IDENTIFICATION: ……………………..…… Natural TOURMALINE
TRADE NAME: …………………..………… MALKHAN RUBELLITE
Geographic Origin: …..….… Malkhansky mine, Russian Federation
Treatment: …………………….…… No indications of any treatment
Information about MALKHAN RUBELLITE:
This deep brownish-pink tourmaline is called «Malkhan rubellite» in the trade. Rubellites from the Malkhan mines in Transbaikalia are famous for their deep cherry color and strong pleochroism.
RESULTS OF DIAGNOSTIC METHODS
10x Magnifying glass: visually, the stone is clean; there is a crack and
several mineral inclusions on the pavilion side; there are no chips or
nicks.
Refractive Index: …………………………………….… 1.620 - 1.638
Polariscope: ………………………………………..…….. anisotropic
Dichroscope: strong pleochroism raspberry pink / yellowish brown
UV fluorescence: …………………………………… no fluorescence
Chelsea Filter: …………………………….…………………………….
Color change | Alexandrite effect (daylight | artificial light): …….no
Polariscope: Malkhan rubellites exhibit strong pleochroism, ranging from yellowish and brownish hues to a strong raspberry-pink color.
A photo of the presented rubellite under a polariscope, showing strong pleochroism.
Special properties:
Opalescence | adularescence | iridescence ………………………No
Cats eye effect…………………………………………….……….…No
Asterism……………………………………….………………………No
DETAILED GEMOLOGICAL COMMENT
The cutting was developed and carried out by the master of the Russian Guild of Cutters, D.V. Samorukov /
Огранка разработана и осуществлена мастером Русской Гильдии огранщиков Саморуковым Д. В./
For further confirmation of the mining region, the gem report should be supplemented with Raman microscope study, obtaining the spectrum of this rubellite, and comparing it with the base spectrum of tourmaline rubellite from Malkhan mine.
Considering the characteristics of this Malkhan rubellite:
Weight: ……………………………..………………….….…….. 13.38 ct
Сut: …………………………………………………….… antique fantasy
Color / Color saturation: …… deep brownish pink | strong saturation
Clarity: …………………….………………….………… slightly included
Geographic Origin: ………….. Malkhansky mine, Russian Federation
Treatment: …………………………… No indications of any treatment
Recommended market value corridor (retail price) of Malkhan rubellite weighing more then 10 carat, slightly included clarity, deep brownish pink with strong saturation, and excellent cut by master Dmitry Samorukov, as of 19.12.2025:
550-700 $ per 1 ct
Note: the recommended market value corridor in indicated on this date. The price may change over time. The value corridor is an opportunity for the buyer/ seller to get an objective assessment of the value of this stone. With the receipt of new gemological research data, the cost corridor may be revised.
Gemologist Olga Melikian | WA: https://wa.me/79990437349 19/12/2025
Telegram: @olgamelikianofficial | https://melikianjewelry.com
Weight: ……………………………..………………..……….. 13.38 ct
Measurements: ……………….……………. 20.50x11.05x9.19 mm
Сut: ……………………………………..…………..… antique fantasy
Color / Color saturation: …..deep brownish pink | strong saturation
Clarity: …………………………………..……..……. slightly included
IDENTIFICATION: ……………………..…… Natural TOURMALINE
TRADE NAME: …………………..………… MALKHAN RUBELLITE
Geographic Origin: …..….… Malkhansky mine, Russian Federation
Treatment: …………………….…… No indications of any treatment
Information about MALKHAN RUBELLITE:
This deep brownish-pink tourmaline is called «Malkhan rubellite» in the trade. Rubellites from the Malkhan mines in Transbaikalia are famous for their deep cherry color and strong pleochroism.
RESULTS OF DIAGNOSTIC METHODS
10x Magnifying glass: visually, the stone is clean; there is a crack and
several mineral inclusions on the pavilion side; there are no chips or
nicks.
Refractive Index: …………………………………….… 1.620 - 1.638
Polariscope: ………………………………………..…….. anisotropic
Dichroscope: strong pleochroism raspberry pink / yellowish brown
UV fluorescence: …………………………………… no fluorescence
Chelsea Filter: …………………………….…………………………….
Color change | Alexandrite effect (daylight | artificial light): …….no
Polariscope: Malkhan rubellites exhibit strong pleochroism, ranging from yellowish and brownish hues to a strong raspberry-pink color.
A photo of the presented rubellite under a polariscope, showing strong pleochroism.
Special properties:
Opalescence | adularescence | iridescence ………………………No
Cats eye effect…………………………………………….……….…No
Asterism……………………………………….………………………No
DETAILED GEMOLOGICAL COMMENT
The cutting was developed and carried out by the master of the Russian Guild of Cutters, D.V. Samorukov /
Огранка разработана и осуществлена мастером Русской Гильдии огранщиков Саморуковым Д. В./
For further confirmation of the mining region, the gem report should be supplemented with Raman microscope study, obtaining the spectrum of this rubellite, and comparing it with the base spectrum of tourmaline rubellite from Malkhan mine.
Considering the characteristics of this Malkhan rubellite:
Weight: ……………………………..………………….….…….. 13.38 ct
Сut: …………………………………………………….… antique fantasy
Color / Color saturation: …… deep brownish pink | strong saturation
Clarity: …………………….………………….………… slightly included
Geographic Origin: ………….. Malkhansky mine, Russian Federation
Treatment: …………………………… No indications of any treatment
Recommended market value corridor (retail price) of Malkhan rubellite weighing more then 10 carat, slightly included clarity, deep brownish pink with strong saturation, and excellent cut by master Dmitry Samorukov, as of 19.12.2025:
550-700 $ per 1 ct
Note: the recommended market value corridor in indicated on this date. The price may change over time. The value corridor is an opportunity for the buyer/ seller to get an objective assessment of the value of this stone. With the receipt of new gemological research data, the cost corridor may be revised.