Hercynite Vs Boulder Opal
Origin
Not Available
Australia
Color
Yellow, Black
White, Colorless, Blue, Red, Green, Yellow, Violet
Streak
Green
Not Available
For which Rashi?
Not Available
Not Available
Planet
Not Available
Not Available
Element of Planets
Not Available
Not Available
Finger
Not Available
Not Available
Ring Metal
Not Available
Not Available
Energy
Not Available
Not Available
Deities
Not Available
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
4.39
1.98-2.25
Fracture
ConchoidalGemdat.org, Uneven
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Cleavage
{111} Indistinct, {111} Indistinct, {111} Indistinct
Not Available
Mohs Hardness
7.5-8
5-6.5
Chemical Composition
Fe2+ Al 2O 4Gemdat.org , Management Team (2012)
SiO 2 + H 2OUlrich Henn and Claudio C.
Luster
Vitreous
Not Available
Pleochroism
Not Available
AbsentWalter Schumann
Dispersion
Not Available
None
Transparency
Translucent
Transparent, Translucent
Refractive Index
1.80-1.83
1.370-1.470
Optic Character
Not Available
Not Available
Crystal System
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m
Not Available
Birefringence
Not Available
Not Available
Clarity
Translucent
Transparent
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
Hercynite Vs Boulder Opal Fracture
Fracture is an important parameter when you compare Hercynite and Boulder Opal Physical Properties. It is necessary to understand the significance of these properties, before you compare Hercynite Vs Boulder Opal 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 Hercynite is ConchoidalGemdat.org and Uneven. Boulder Opal fracture is ConchoidalArthur Thomas, ConchoidalArthur Thomas, ConchoidalArthur Thomas, Gemstones (2009), Gemstones (2009) and Gemstones (2009).
Hercynite Vs Boulder Opal Luster
A primary knowledge about Hercynite vs Boulder Opal 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. Hercynite exhibits Vitreous luster.