Tugtupite Vs Rubellite
Origin
Russia
Afghanistan, Brazil, Madagascar, Mozambique, Southern and central Africa, Russia, Sri Lanka
Color
Pale pink, Red, White, pink, Blue, Green
White, Colorless, Blue, Red, Green, Yellow, Violet
Specific Gravity
2.30-2.60
3.01-3.06
Fracture
Uneven, Conchoidal
Conchoidal
Cleavage
{111} Imperfect
Indiscernible
Mohs Hardness
5.5-6
7-7.5
Chemical Composition
Na 4AlBeSi 4O 12ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.
Pleochroism
ModerateArthur Thomas
Strong: dark red pinkish-redHerve Nicolas Lazzarelli
Transparency
OpaqueHerve Nicolas Lazzarelli
Transparent, Translucent
Refractive Index
1.494-1.504
1.614-1.666
Crystal System
tetragonal
-
Birefringence
0.008
0.014-0.040
Clarity
OpaqueHerve Nicolas Lazzarelli
Transparent
Respiratory
Good
Excellent
Healing
Emotional healing
Emotional healing
Qualities Associated
Emotional Healing
Passion
Tugtupite Vs Rubellite Fracture
Fracture is an important parameter when you compare Tugtupite and Rubellite Physical Properties. It is necessary to understand the significance of these properties, before you compare Tugtupite Vs Rubellite fracture. Whenever a gemstone chip breaks, it leaves a characteristic line along its breakage. Such lines are known as fracture and are used to identify the gemstones in their initial stages of production when they are in the form of rough minerals. Fracture is usually described with the terms “fibrous” and “splintery” to denote a fracture that usually leaves elongated and sharp edges. Fracture observed in Tugtupite is Uneven and Conchoidal. Rubellite fracture is Conchoidal.
Tugtupite Vs Rubellite Luster
A primary knowledge about Tugtupite vs Rubellite luster is useful in apparent identifications of these gemstones. Luster is the measure of light that gets reflected when incident on a finished cut gemstone. There are two major types of lusters: Silky and Adamantine. Since luster varies between two crystals of even the same gemstone, luster is limited to basic identification criteria.