Dravite

Sugilite

Dravite Vs Sugilite

Dravite

Sugilite

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Astrology

Origin

Southern and central Africa

Canada, Southern and central Africa, Italy, Australia, India

Color

White, Colorless, Blue, Red, Green, Yellow, Violet, Black

Violet, Brownish, Yellow, Reddish, Pale pink

Streak

Colorless

White

For which Rashi?

Virgo

Planet

Mercury, Jupiter

Element of Planets

Water

Energy

How to Wear?

Finger

Ring Metal

Deities

Not to wear with

Powers

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

3.03-3.182.69-2.79

1 7.18

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Fracture

Uneven, Irregular, Conchoidal

Conchoidal

Cleavage

{???} Indistinct

Poor on {0001}

Mohs Hardness

7-7.55.5-6.5

2 10

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Chemical Composition

Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Optical Properties

Luster

Vitreous

Pleochroism

Very strong: pale yellow colorless

Weak

Dispersion

0.020.02

0.005 1

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Transparency

Transparent

Translucent

Refractive Index

1.614-1.6661.607-1.612

1 3.25

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Optic Character

Crystal System

Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m

Hexagonal

Birefringence

0.014-0.0320.003

0 0.296

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Clarity

Transparent

Translucent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Respiratory

Excellent

Reproductive

Digestive

Psychology

Self-acceptance

Spirituality

Healing

Emotional healing

Qualities Associated

Self-Exploration

Spiritual Protection

Dravite Vs Sugilite Fracture

Fracture is an important parameter when you compare Dravite and Sugilite Physical Properties. It is necessary to understand the significance of these properties, before you compare Dravite Vs Sugilite 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 Dravite is Uneven, Irregular and Conchoidal. Sugilite fracture is Conchoidal.

Compare Blue Gemstones

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Dravite Vs Sugilite Luster

A primary knowledge about Dravite vs Sugilite 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. Dravite exhibits Vitreous luster. Sugilite, on other hand, exhibits Vitreous luster.