Ammonite Vs Howlite
Origin
Not Available
Southern and central Africa
Color
Yellow, Green, Blue
Blue, Colorless, White
Streak
Not Available
White
For which Rashi?
Capricorn
Gemini, Virgo, Gemini, Virgo, Gemini, Virgo
Element of Planets
Earth, Air, Water
Earth
Finger
Not Available
Not Available
Ring Metal
Not Available
Not Available
Energy
Receptive
Not Available
Not to wear with
Not Available
Not Available
Powers
Not Available
Not Available
Planetary
Not Available
Not Available
Talisman
Not Available
Not Available
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
Not Available
2.45-2.58
Fracture
Not Available
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Cleavage
Not Available
None
Mohs Hardness
3.5-5
3-3.5
Chemical Composition
Not Available
Ca 2B 5SiO 9(OH) 5Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Not Available
Vitreous
Pleochroism
Not Available
NilArthur Thomas
Dispersion
Not Available
Not Available
Transparency
Not Available
Gemmological Tables (2004) More from other references
Refractive Index
Not Available
1.583-1.608
Optic Character
Not Available
Not Available
Crystal System
Trigonal
monoclinic
Birefringence
Not Available
0.019
Clarity
Not Available
Gemmological Tables (2004) More from other references
Neurological
Not Available
Not Available
Cardiovascular
Not Available
Not Available
Respiratory
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Reproductive
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Digestive
Not Available
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Psychology
Not Available
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Healing
Not Available
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Qualities Associated
Not Available
Not Available
Ammonite Vs Howlite Fracture
Fracture is an important parameter when you compare Ammonite and Howlite Physical Properties. It is necessary to understand the significance of these properties, before you compare Ammonite 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. Howlite fracture is Brittle, Conchoidal, Gemstones (2009), Gemstones (2009), UnevenArthur Thomas and UnevenArthur Thomas.
Ammonite Vs Howlite Luster
A primary knowledge about Ammonite 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. Howlite, on other hand, exhibits Vitreous luster.