Riebeckite Vs Lazulite
Origin
-
Brazil, Southern and central Africa
Color
Black, Blue, Yellow, Green
Blue, Green, Black
Streak
Grey, Greenish, Brown
White
For which Rashi?
-
Gemini, Sagittarius
Specific Gravity
3.28-3.44
3.04-3.17
Fracture
Uneven, Splintery
Uneven
Cleavage
Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}
{001} Indistinct, {???} Indistinct
Mohs Hardness
5.0-6.0
5.5
Chemical Composition
Na2Fe2+3Fe3+2Si8O22(OH)2
(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references
Pleochroism
X = blue
Transparent crystals show a strong pleochroism: colorless light blue dark (violet) blueHerve Nicolas Lazzarelli
Transparency
-
Transparent, Translucent
Refractive Index
1.680-1.698
1.604-1.646
Crystal System
monoclinic
monoclinic
Birefringence
0.005-0.008
0.031-0.036
Neurological
Enhances mental clarity and focus
Balances digestive system and reduces bloating
Cardiovascular
Supports heart health
-
Respiratory
Good
Excellent
Digestive
-
Supports digestive health
Psychology
Empowerment
Clarity
Healing
Emotional healing
Emotional healing
Qualities Associated
Clear Thinking
Psychic Abilities
Riebeckite Vs Lazulite Fracture
Fracture is an important parameter when you compare Riebeckite and Lazulite Physical Properties. It is necessary to understand the significance of these properties, before you compare Riebeckite Vs Lazulite 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 Riebeckite is Uneven and Splintery. Lazulite fracture is Uneven.
Riebeckite Vs Lazulite Luster
A primary knowledge about Riebeckite vs Lazulite 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. Riebeckite exhibits Vitreous and Silky luster.