Sugilite Vs Gedrite
Origin
Canada, Southern and central Africa, Italy, Australia, India
Southern and central Africa
Color
Violet, Brownish, Yellow, Reddish, Pale pink
Brown, Green, gray, White
Planet
Mercury, Jupiter
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Element of Planets
Water
-
Specific Gravity
2.69-2.79
3.15-3.259
Cleavage
Poor on {0001}
Gedrite Magnesiogedrite , Comments: Dark gray cleavage fragment of magnesiogedrite (gedrite). , Location: Bamble, Telemark, Norway. , Scale: See Image.
Mohs Hardness
5.5-6.5
5.5-6
Chemical Composition
KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Pleochroism
Weak
Weak to moderate
Transparency
Translucent
Transparent
Refractive Index
1.607-1.612
1.625-1.718
Crystal System
Hexagonal
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
Birefringence
0.003
-9999
Clarity
Translucent
Transparent
Neurological
Enhances mental clarity and focus
-
Psychology
Spirituality
Focus
Healing
Emotional healing
-
Qualities Associated
Spiritual Protection
Protection
Sugilite Vs Gedrite Fracture
Fracture is an important parameter when you compare Sugilite and Gedrite Physical Properties. It is necessary to understand the significance of these properties, before you compare Sugilite Vs Gedrite 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 Sugilite is Conchoidal.
Sugilite Vs Gedrite Luster
A primary knowledge about Sugilite vs Gedrite 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. Sugilite exhibits Vitreous luster. Gedrite, on other hand, exhibits Vitreous luster.