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Zircon
Zircon

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Howlite



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Zircon Vs Howlite

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1 Astrology
1.1 Origin
Tanzania, Kenya, Madagascar, Cambodia, Sri Lanka, Burma, Thailand, Vietnam, Australia
Southern and central Africa
1.2 Color
Blue, Green, Yellow, Brown, White, Colorless, Blue, Red, Green, Yellow, pink, Yellow, Red, Brown, Green, Blue, Reddish, gray
Blue, Colorless, White
1.3 Streak
White
White
1.4 For which Rashi?
Sagittarius, Virgo, Sagittarius, Virgo, Sagittarius, Virgo
Gemini, Virgo, Gemini, Virgo, Gemini, Virgo
1.5 Planet
Jupiter
Moon
1.6 Element of Planets
Earth, Water
Earth
1.7 How to Wear?
1.7.1 Finger
Not Available
Not Available
1.7.2 Ring Metal
Not Available
Not Available
1.8 Energy
Projective
Not Available
1.9 Deities
Apollo
Quan Yin
1.10 Not to wear with
Not Available
Not Available
1.11 Powers
Protection
Not Available
1.12 Birthstone
1.12.1 Planetary
Not Available
Not Available
1.12.2 Talisman
Not Available
Not Available
2 Physical Properties
2.1 Tenacity
Brittle
Not Available
2.2 Solubility
insoluble
Not Available
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
3.93-4.73
2.45-2.58
2.5 Fracture
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal
2.6 Cleavage
{110} and {111}
None
2.7 Mohs Hardness
7.5
3-3.5
2.8 Chemical Composition
ZrSiO4
Ca 2B 5SiO 9(OH) 5Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
3 Optical Properties
3.1 Luster
Adamantine
Vitreous
3.2 Pleochroism
Weak
NilArthur Thomas
3.3 Dispersion
Albite
0.04
Rank: 11 (Overall)
Not Available
Rank: N/A (Overall)
Fluorite
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3.4 Transparency
Transparent
Gemmological Tables (2004) More from other references
3.5 Refractive Index
1.810-2.024
1.583-1.608
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
tetragonal
monoclinic
3.8 Birefringence
0.047-0.055
0.019
3.9 Clarity
Transparent
Gemmological Tables (2004) More from other references
4 Benefits
4.1 Physical
4.1.1 Neurological
Not Available
Not Available
4.1.2 Cardiovascular
Not Available
Not Available
4.1.3 Respiratory
Not Available
Not Available
4.1.4 Reproductive
Not Available
Not Available
4.1.5 Digestive
Not Available
Not Available
4.2 Psychology
Not Available
Not Available
4.3 Healing
Not Available
Not Available
4.4 Qualities Associated
Not Available
Not Available

Zircon Vs Howlite Fracture

Fracture is an important parameter when you compare Zircon and Howlite Physical Properties. It is necessary to understand the significance of these properties, before you compare Zircon 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. Fracture observed in Zircon is Conchoidal, ConchoidalArthur Thomas, Gemstones (2009) and Uneven. Howlite fracture is Brittle, Conchoidal, Gemstones (2009), Gemstones (2009), UnevenArthur Thomas and UnevenArthur Thomas.

Zircon Vs Howlite Luster

A primary knowledge about Zircon 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. Zircon exhibits Adamantine luster. Howlite, on other hand, exhibits Vitreous luster.