Augite Vs Sugilite
Origin
USA, Mexico
Canada, Southern and central Africa, Italy, Australia, India
Color
Green, Brown, Greenish, Black
Violet, Brownish, Yellow, Reddish, Pale pink
Streak
Greenish, gray
White
Planet
-
Mercury, Jupiter
Element of Planets
-
Water
Specific Gravity
3.19-3.56
2.69-2.79
Fracture
Uneven, Conchoidal
Conchoidal
Cleavage
{110} Perfect, {010} Indistinct
Poor on {0001}
Mohs Hardness
5.5-6
5.5-6.5
Chemical Composition
(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony 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
Vitreous, Resinous
Vitreous
Pleochroism
Pale green
Weak
Transparency
Transparent, Translucent
Translucent
Refractive Index
1.671-1.774
1.607-1.612
Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c
Hexagonal
Birefringence
-9999
0.003
Clarity
Transparent
Translucent
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
Supports heart health
-
Respiratory
Good
Excellent
Psychology
Courage
Spirituality
Healing
Emotional healing
Emotional healing
Qualities Associated
Grounding
Spiritual Protection
Augite Vs Sugilite Fracture
Fracture is an important parameter when you compare Augite and Sugilite Physical Properties. It is necessary to understand the significance of these properties, before you compare Augite 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 Augite is Uneven and Conchoidal. Sugilite fracture is Conchoidal.
Augite Vs Sugilite Luster
A primary knowledge about Augite 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. Augite exhibits Vitreous and Resinous luster. Sugilite, on other hand, exhibits Vitreous luster.