Pectolite Vs Dravite
Origin
Canada, Southern and central Africa
Southern and central Africa
Color
Colorless, White, gray, pink, Green
White, Colorless, Blue, Red, Green, Yellow, Violet, Black, Green, Red, Blue, White
For which Rashi?
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Planet
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Element of Planets
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Energy
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Finger
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Ring Metal
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Deities
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Not to wear with
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Powers
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Planetary
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Talisman
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Tenacity
Brittle
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Solubility
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Durability
Not Available
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Specific Gravity
2.74-2.90
3.03-3.18
Fracture
Uneven, Gemstones (2009), Splintery
Uneven, Uneven, Irregular, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Cleavage
Perfect on {100} and {001}
{???} Indistinct
Mohs Hardness
4.5-5
7-7.5
Chemical Composition
Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.
Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Pleochroism
NilArthur Thomas
Very strong: pale yellow colorless
Transparency
Transparent
Transparent
Refractive Index
1.595-1.645
1.614-1.666
Optic Character
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Crystal System
Triclinic
Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m
Birefringence
0.028-0.038
0.014-0.032
Clarity
Transparent
Transparent
Neurological
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Cardiovascular
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Respiratory
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Reproductive
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Digestive
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Psychology
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Healing
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Qualities Associated
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Pectolite Vs Dravite Fracture
Fracture is an important parameter when you compare Pectolite and Dravite Physical Properties. It is necessary to understand the significance of these properties, before you compare Pectolite Vs Dravite 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 Pectolite is Uneven, Gemstones (2009) and Splintery. Dravite fracture is Uneven, Uneven, Irregular, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal and Brittle.
Pectolite Vs Dravite Luster
A primary knowledge about Pectolite vs Dravite 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. Pectolite exhibits Silky luster. Dravite, on other hand, exhibits Vitreous luster.