Rubellite Vs Ludlamite
Origin
Afghanistan, Brazil, Madagascar, Mozambique, Southern and central Africa, Russia, Sri Lanka
USA
Color
White, Colorless, Blue, Red, Green, Yellow, Violet
Green, Colorless, Greenish, White
Specific Gravity
3.01-3.06
3.1-3.2
Cleavage
Indiscernible
Vitreous, pearly on cleavage
Chemical Composition
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.
(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
-
Vitreous, Pearly
Pleochroism
Strong: dark red pinkish-redHerve Nicolas Lazzarelli
-
Transparency
Transparent, Translucent
-
Refractive Index
1.614-1.666
1.653-1.693
Crystal System
-
monoclinic
Birefringence
0.014-0.040
0.038-0.044
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Neurological
-
Aids in mental clarity and focus
Respiratory
Excellent
Good
Digestive
-
Supports digestive health
Psychology
Passion
Harmony
Healing
Emotional healing
Emotional healing
Qualities Associated
Passion
Emotional Healing
Rubellite Vs Ludlamite Fracture
Fracture is an important parameter when you compare Rubellite and Ludlamite Physical Properties. It is necessary to understand the significance of these properties, before you compare Rubellite Vs Ludlamite 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 Rubellite is Conchoidal.
Rubellite Vs Ludlamite Luster
A primary knowledge about Rubellite vs Ludlamite 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. Ludlamite, on other hand, exhibits Vitreous and Pearly luster.