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Lazulite Vs Brookite


Brookite Vs Lazulite


Astrology

Origin
Brazil, Southern and central Africa  
Russia  

Color
Blue, Green, Black  
Red, Reddish, Brown, Black, orange  

Streak
White  
White  

For which Rashi?
Gemini, Sagittarius  
Not Available  

Planet
Jupiter  
Not Available  

Element of Planets
Not Available  
Not Available  

Energy
Projective  
Not Available  

How to Wear?
  
  

Finger
Not Available  
Not Available  

Ring Metal
Not Available  
Not Available  

Deities
Gia  
Not Available  

Not to wear with
Not Available  
Not Available  

Powers
Not Available  
Not Available  

Birthstone
  
  

Planetary
Not Available  
Not Available  

Talisman
Not Available  
Not Available  

Physical Properties

Tenacity
Not Available  
Brittle  

Solubility
Not Available  
Not Available  

Durability
Not Available  
Not Available  

Specific Gravity
3.04-3.17  
3.87-4.14  

Fracture
Uneven, Gemstones of the world (2001) More from other references  
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle  

Cleavage
{001} Indistinct, {???} Indistinct  
Poor on {120}, in traces on {001}  

Mohs Hardness
5.5  
5.5-6  

Chemical Composition
(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references  
TiO 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references  

Optical Properties

Luster
Not Available  
Adamantine  

Pleochroism
Transparent crystals show a strong pleochroism: colorless light blue dark (violet) blueHerve Nicolas Lazzarelli  
Very weak  

Dispersion
0.01  
26
Not Available  

Transparency
Transparent, Translucent  
Gemmological Tables (2004) More from other references  

Refractive Index
1.604-1.646  
2.583-2.741  

Optic Character
Not Available  
Not Available  

Crystal System
monoclinic  
Orthorhombic  

Birefringence
0.031-0.036  
0.117  

Clarity
Transparent  
Gemmological Tables (2004) More from other references  

Benefits

Physical
  
  

Neurological
Not Available  
Not Available  

Cardiovascular
Not Available  
Not Available  

Respiratory
Not Available  
Not Available  

Reproductive
Not Available  
Not Available  

Digestive
Not Available  
Not Available  

Psychology
Not Available  
Not Available  

Healing
Not Available  
Not Available  

Qualities Associated
Not Available  
Not Available  

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Lazulite Vs Brookite Fracture

Fracture is an important parameter when you compare Lazulite and Brookite Physical Properties. It is necessary to understand the significance of these properties, before you compare Lazulite Vs Brookite 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 and Gemstones of the world (2001) More from other references. Brookite fracture is Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal and Brittle.

Compare Gems for Gemini

Lazulite Vs Brookite Luster

A primary knowledge about Lazulite vs Brookite 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. Brookite, on other hand, exhibits Adamantine luster.

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