Howlite Vs Hibonite
Origin
Southern and central Africa
Madagascar
Color
Blue, Colorless, White
Brownish, Black, Reddish, Brown, Blue
Streak
White
Reddish, Brown
For which Rashi?
Gemini, Virgo, Gemini, Virgo, Gemini, Virgo
Not Available
Planet
Moon
Not Available
Element of Planets
Earth
Not Available
Finger
Not Available
Not Available
Ring Metal
Not Available
Not Available
Energy
Not Available
Not Available
Deities
Quan Yin
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
2.45-2.58
3.84
Fracture
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Subconchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Cleavage
None
{0001} good, {10 1 0} parting
Mohs Hardness
3-3.5
7.5-8
Chemical Composition
Ca 2B 5SiO 9(OH) 5Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Ca,Ce)(Al,Ti,Mg)12O19
Pleochroism
NilArthur Thomas
O = brownish gray; E = gray
Dispersion
Not Available
Not Available
Transparency
Gemmological Tables (2004) More from other references
Handbook of mineralogy (2001)
Refractive Index
1.583-1.608
1.79-1.807
Optic Character
Not Available
Not Available
Crystal System
monoclinic
Hexagonal
Birefringence
0.019
Not Available
Clarity
Gemmological Tables (2004) More from other references
Handbook of mineralogy (2001)
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
Howlite Vs Hibonite Fracture
Fracture is an important parameter when you compare Howlite and Hibonite Physical Properties. It is necessary to understand the significance of these properties, before you compare Howlite Vs Hibonite 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 Howlite is Brittle, Conchoidal, Gemstones (2009), Gemstones (2009), UnevenArthur Thomas and UnevenArthur Thomas. Hibonite fracture is Brittle, Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001) and Subconchoidal.
Howlite Vs Hibonite Luster
A primary knowledge about Howlite vs Hibonite 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 exhibits Vitreous luster. Hibonite, on other hand, exhibits Vitreous luster.