Howlite Vs Calcite
Origin
Southern and central Africa
Mexico
Color
Blue, Colorless, White
White, Colorless, White, pink, Yellow, Brown
For which Rashi?
Gemini, Virgo, Gemini, Virgo, Gemini, Virgo
Cancer
Element of Planets
Earth
Earth, Sun
Finger
Not Available
Not Available
Ring Metal
Not Available
Not Available
Energy
Not Available
Receptive
Deities
Quan Yin
Not Available
Not to wear with
Not Available
Not Available
Powers
Not Available
Spirituality, Healing
Planetary
Not Available
Not Available
Talisman
Not Available
Not Available
Tenacity
Not Available
Brittle
Solubility
Not Available
Soluble
Durability
Not Available
Not Available
Specific Gravity
2.45-2.58
2.67-2.73
Fracture
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Cleavage
None
Perfect on [10 1 1] three directions with angle of 74° 55
Chemical Composition
Ca 2B 5SiO 9(OH) 5Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
CaCO 3Ulrich Henn and Claudio C.
Luster
Vitreous
Vitreous, Pearly
Pleochroism
NilArthur Thomas
NilArthur Thomas
Dispersion
Not Available
Not Available
Transparency
Gemmological Tables (2004) More from other references
Transparent, Translucent
Refractive Index
1.583-1.608
1.486-1.658
Optic Character
Not Available
Not Available
Crystal System
monoclinic
Trigonal
Birefringence
0.019
0.154-0.174
Clarity
Gemmological Tables (2004) More from other references
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
Howlite Vs Calcite Fracture
Fracture is an important parameter when you compare Howlite and Calcite Physical Properties. It is necessary to understand the significance of these properties, before you compare Howlite Vs Calcite 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. Calcite fracture is Brittle, Conchoidal, Conchoidal, ConchoidalArthur Thomas, ConchoidalArthur Thomas, Gemstones (2009) and Gemstones (2009).
Howlite Vs Calcite Luster
A primary knowledge about Howlite vs Calcite 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. Calcite, on other hand, exhibits Pearly and Vitreous luster.