Siderite Vs Lazulite
Origin
Brazil
Brazil, Southern and central Africa
Color
Yellow, Brown, gray, Greenish
Blue, Green, Black
For which Rashi?
-
Gemini, Sagittarius
Specific Gravity
3.83-3.89
3.04-3.17
Fracture
Uneven, Conchoidal
Uneven
Cleavage
Perfect on {01 1 1}
{001} Indistinct, {???} Indistinct
Mohs Hardness
3.5-4.5
5.5
Chemical Composition
Fe2+ CO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(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
Transparent, Translucent
Transparent, Translucent
Refractive Index
1.633-1.875
1.604-1.646
Crystal System
Trigonal
monoclinic
Birefringence
0.242
0.031-0.036
Clarity
Transparent
Transparent
Neurological
-
Balances digestive system and reduces bloating
Respiratory
Good
Excellent
Digestive
-
Supports digestive health
Psychology
Confidence
Clarity
Healing
Emotional healing
Emotional healing
Qualities Associated
Grounding
Psychic Abilities
Siderite Vs Lazulite Fracture
Fracture is an important parameter when you compare Siderite and Lazulite Physical Properties. It is necessary to understand the significance of these properties, before you compare Siderite 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 Siderite is Uneven and Conchoidal. Lazulite fracture is Uneven.
Siderite Vs Lazulite Luster
A primary knowledge about Siderite 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. Siderite exhibits Pearly luster.