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Aragonite Vs Howlite


Howlite Vs Aragonite


Astrology

Origin
Canada, Pakistan   
Southern and central Africa   

Color
Reddish, Greenish, White, Red, Yellow, Green, Grey, Blue, Brown, Colorless, White, gray, Reddish, orange   
Blue, Colorless, White   

Streak
White   
White   

For which Rashi?
Virgo, Capricorn, Virgo, Capricorn, Virgo, Capricorn   
Gemini, Virgo, Gemini, Virgo, Gemini, Virgo   

Planet
Sun   
Moon   

Element of Planets
Earth   
Earth   

How to Wear?
  
  

Finger
Not Available   
Not Available   

Ring Metal
Not Available   
Not Available   

Energy
Projective, Receptive   
Not Available   

Deities
Goddess   
Quan Yin   

Not to wear with
Not Available   
Not Available   

Powers
Protection   
Not Available   

Birthstone
  
  

Planetary
Not Available   
Not Available   

Talisman
Not Available   
Not Available   

Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Dilute acid   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.93-2.96   
2.45-2.58   

Fracture
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle   
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal   

Cleavage
Distinct on {010}, imperfect {110} and {011}   
None   

Mohs Hardness
3.5-4   
3-3.5   

Chemical Composition
CaCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
Ca 2B 5SiO 9(OH) 5Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties

Luster
Vitreous, Resinous   
Vitreous   

Pleochroism
StrongArthur Thomas   
NilArthur Thomas   

Dispersion
Not Available   
Not Available   

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

Refractive Index
1.525-1.686   
1.583-1.608   

Optic Character
Not Available   
Not Available   

Crystal System
Orthorhombic   
monoclinic   

Birefringence
0.155   
0.019   

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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Aragonite Vs Howlite Fracture

Fracture is an important parameter when you compare Aragonite and Howlite Physical Properties. It is necessary to understand the significance of these properties, before you compare Aragonite Vs Howlite 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 Aragonite is Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009) and Subconchoidal. Howlite fracture is Brittle, Conchoidal, Gemstones (2009), Gemstones (2009), UnevenArthur Thomas and UnevenArthur Thomas.

Compare Gems for Virgo

Aragonite Vs Howlite Luster

A primary knowledge about Aragonite vs Howlite 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. Aragonite exhibits Resinous and Vitreous luster. Howlite, on other hand, exhibits Vitreous luster.

Gems for Virgo

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