Chalcedony Vs Lazulite
Origin
Zimbabwe
Brazil, Southern and central Africa
Color
Violet, White, gray, Blue, Brown, Black
Blue, Green, Black
For which Rashi?
Cancer, Sagittarius
Gemini, Sagittarius
Element of Planets
Water
-
Specific Gravity
2.55-2.70
3.04-3.17
Fracture
Uneven, Splintery, Conchoidal
Uneven
Cleavage
Absent
{001} Indistinct, {???} Indistinct
Chemical Composition
SiO2
(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references
Pleochroism
-
Transparent crystals show a strong pleochroism: colorless light blue dark (violet) blueHerve Nicolas Lazzarelli
Transparency
Translucent, Translucent to opaque
Transparent, Translucent
Refractive Index
1.530-1.543
1.604-1.646
Crystal System
Trigonal
monoclinic
Birefringence
0.003-0.009
0.031-0.036
Clarity
Translucent
Transparent
Neurological
-
Balances digestive system and reduces bloating
Cardiovascular
Supports heart health
-
Respiratory
Good
Excellent
Digestive
-
Supports digestive health
Psychology
Harmony
Clarity
Healing
Emotional healing
Emotional healing
Qualities Associated
Harmony
Psychic Abilities
Chalcedony Vs Lazulite Fracture
Fracture is an important parameter when you compare Chalcedony and Lazulite Physical Properties. It is necessary to understand the significance of these properties, before you compare Chalcedony 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 Chalcedony is Uneven, Splintery and Conchoidal. Lazulite fracture is Uneven.
Chalcedony Vs Lazulite Luster
A primary knowledge about Chalcedony 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. Chalcedony exhibits Vitreous luster.