Gedrite Vs Tugtupite
Origin
Southern and central Africa
Russia
Color
Brown, Green, gray, White
Pale pink, Red, White, pink, Blue, Green
Specific Gravity
3.15-3.259
2.30-2.60
Fracture
-
Uneven, Conchoidal
Cleavage
Gedrite Magnesiogedrite , Comments: Dark gray cleavage fragment of magnesiogedrite (gedrite). , Location: Bamble, Telemark, Norway. , Scale: See Image.
{111} Imperfect
Mohs Hardness
5.5-6
5.5-6
Chemical Composition
(Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Na 4AlBeSi 4O 12ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Pleochroism
Weak to moderate
ModerateArthur Thomas
Transparency
Transparent
OpaqueHerve Nicolas Lazzarelli
Refractive Index
1.625-1.718
1.494-1.504
Crystal System
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
tetragonal
Birefringence
-9999
0.008
Clarity
Transparent
OpaqueHerve Nicolas Lazzarelli
Healing
-
Emotional healing
Qualities Associated
Protection
Emotional Healing
Gedrite Vs Tugtupite Fracture
Fracture is an important parameter when you compare Gedrite and Tugtupite Physical Properties. It is necessary to understand the significance of these properties, before you compare Gedrite Vs Tugtupite 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. Tugtupite fracture is Uneven and Conchoidal.
Gedrite Vs Tugtupite Luster
A primary knowledge about Gedrite vs Tugtupite 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. Gedrite exhibits Vitreous luster.