Astrophyllite Vs Sugilite
Origin
Canada, Russia
Canada, Southern and central Africa, Italy, Australia, India
Color
Brown, Yellow, Greenish, Brownish, Red
Violet, Brownish, Yellow, Reddish, Pale pink
Streak
Brown, White
White
Planet
-
Mercury, Jupiter
Element of Planets
-
Water
Specific Gravity
3.2-3.4
2.69-2.79
Fracture
Uneven
Conchoidal
Cleavage
Perfect on [001] imperfect on [100]
Poor on {0001}
Chemical Composition
(K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)
KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Greasy, Pearly
Vitreous
Pleochroism
Strong: X= deep red-orange Y= orange-yellow Z= lemon-yellow
Weak
Transparency
Translucent
Translucent
Refractive Index
1.678-1.758
1.607-1.612
Crystal System
Triclinic
Hexagonal
Birefringence
0.050
0.003
Clarity
Translucent
Translucent
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
Supports heart health
-
Respiratory
Excellent
Excellent
Psychology
Self-Reflection
Spirituality
Healing
Spiritual healing
Emotional healing
Qualities Associated
Self-Reflection
Spiritual Protection
Astrophyllite Vs Sugilite Fracture
Fracture is an important parameter when you compare Astrophyllite and Sugilite Physical Properties. It is necessary to understand the significance of these properties, before you compare Astrophyllite Vs Sugilite 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. Sugilite fracture is Conchoidal.
Astrophyllite Vs Sugilite Luster
A primary knowledge about Astrophyllite vs Sugilite 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. Sugilite, on other hand, exhibits Vitreous luster.