Turmalin Szorstki- 12.01 g
05
dni
11
godziny
51
minuty
17
sekundy
Nie zalicytowano
Ochrona nabywców Catawiki
Twoja płatność jest u nas bezpieczna, dopóki nie otrzymasz przedmiotu.Zobacz szczegóły
Trustpilot: 4.4 | opinie: 137024
Doskonała ocena na Trustpilot.
Szkli turmalina z Kunar, Afganistan, 12,01 g, niepoddawana obróbce cieplnej.
Podsumowanie wspomagane sztuczną inteligencją
Opis od sprzedawcy
Pięknie fasetowana tourmalina w surowym stanie
Weight 60,190 karatów
Origin Afghanistan
Unheated and untreated
Tourmaline is October birth stone
* Mineral Group: Tourmaline
* Chemical Formula: Complex Boron Silicate (variable composition)
* Crystal System: Trigonal
* Hardness: 7–7,5 on the Mohs scale
* Specific Gravity: 3,00–3,26
* Refractive Index: 1,614–1,666
* Luster: Vitreous (glass-like)
* Transparency: Transparent to translucent
* Cleavage: Indistinct to poor
* Fracture: Uneven to conchoidal
* Streak: White
* Dispersion: 0,017–0,020 (low)
* Pleochroism: Strong, especially in colored varieties
* Common Colors: Green, blue, pink, red (rubellite), yellow, orange, brown, black (schorl), colorless, and bi-color or multi-color
* Fluorescence: Usually inert to weak; some pink and red tourmalines may show weak fluorescence.
* Durability: Excellent for jewelry due to its good hardness and lack of perfect cleavage.
* Major Sources: Afghanistan, Pakistan, Brazil, Nigeria, Madagascar, Mozambique, Namibia, Sri Lanka, and United States.
Pięknie fasetowana tourmalina w surowym stanie
Weight 60,190 karatów
Origin Afghanistan
Unheated and untreated
Tourmaline is October birth stone
* Mineral Group: Tourmaline
* Chemical Formula: Complex Boron Silicate (variable composition)
* Crystal System: Trigonal
* Hardness: 7–7,5 on the Mohs scale
* Specific Gravity: 3,00–3,26
* Refractive Index: 1,614–1,666
* Luster: Vitreous (glass-like)
* Transparency: Transparent to translucent
* Cleavage: Indistinct to poor
* Fracture: Uneven to conchoidal
* Streak: White
* Dispersion: 0,017–0,020 (low)
* Pleochroism: Strong, especially in colored varieties
* Common Colors: Green, blue, pink, red (rubellite), yellow, orange, brown, black (schorl), colorless, and bi-color or multi-color
* Fluorescence: Usually inert to weak; some pink and red tourmalines may show weak fluorescence.
* Durability: Excellent for jewelry due to its good hardness and lack of perfect cleavage.
* Major Sources: Afghanistan, Pakistan, Brazil, Nigeria, Madagascar, Mozambique, Namibia, Sri Lanka, and United States.
Szczegóły
Główny minerał
Turmalin
Postać minerału
Szorstki
Waga
12,01 g
Pochodzenie (region/ miasto)
Kunar
Kraj pochodzenia
Afganistan
Sprzedawane przez
