Rubellite Vs Astrophyllite
Origin
Afghanistan, Brazil, Madagascar, Mozambique, Southern and central Africa, Russia, Sri Lanka
Canada, Russia
Color
White, Colorless, Blue, Red, Green, Yellow, Violet
Brown, Yellow, Greenish, Brownish, Red
Specific Gravity
3.01-3.06
3.2-3.4
Fracture
Conchoidal
Uneven
Cleavage
Indiscernible
Perfect on [001] imperfect on [100]
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.
(K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)
Pleochroism
Strong: dark red pinkish-redHerve Nicolas Lazzarelli
Strong: X= deep red-orange Y= orange-yellow Z= lemon-yellow
Transparency
Transparent, Translucent
Translucent
Refractive Index
1.614-1.666
1.678-1.758
Crystal System
-
Triclinic
Birefringence
0.014-0.040
0.050
Clarity
Transparent
Translucent
Neurological
-
Enhances mental clarity and focus
Cardiovascular
-
Supports heart health
Respiratory
Excellent
Excellent
Psychology
Passion
Self-Reflection
Healing
Emotional healing
Spiritual healing
Qualities Associated
Passion
Self-Reflection
Rubellite Vs Astrophyllite Fracture
Fracture is an important parameter when you compare Rubellite and Astrophyllite Physical Properties. It is necessary to understand the significance of these properties, before you compare Rubellite Vs Astrophyllite 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. Astrophyllite fracture is Uneven.
Rubellite Vs Astrophyllite Luster
A primary knowledge about Rubellite vs Astrophyllite 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. Astrophyllite, on other hand, exhibits Greasy and Pearly luster.