Lazulite Vs Bytownite
Origin
Brazil, Southern and central Africa
Canada, Southern and central Africa, Australia
Color
Blue, Green, Black
Colorless, White, gray
For which Rashi?
Gemini, Sagittarius
-
Specific Gravity
3.04-3.17
2.72-2.75
Cleavage
{001} Indistinct, {???} Indistinct
Perfect on [001], good on [010], imperfect on [110]
Chemical Composition
(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references
Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
-
Vitreous, Pearly
Pleochroism
Transparent crystals show a strong pleochroism: colorless light blue dark (violet) blueHerve Nicolas Lazzarelli
colorless.
Transparency
Transparent, Translucent
Transparent
Refractive Index
1.604-1.646
1.561-1.583
Crystal System
monoclinic
Triclinic
Birefringence
0.031-0.036
0.010-0.011
Clarity
Transparent
Transparent
Neurological
Balances digestive system and reduces bloating
-
Respiratory
Excellent
Poor
Digestive
Supports digestive health
-
Psychology
Clarity
Clarity
Healing
Emotional healing
Emotional healing
Qualities Associated
Psychic Abilities
Clarity
Lazulite Vs Bytownite Fracture
Fracture is an important parameter when you compare Lazulite and Bytownite Physical Properties. It is necessary to understand the significance of these properties, before you compare Lazulite Vs Bytownite 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 Lazulite is Uneven. Bytownite fracture is Uneven.
Lazulite Vs Bytownite Luster
A primary knowledge about Lazulite vs Bytownite 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. Bytownite, on other hand, exhibits Vitreous and Pearly luster.