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