Sapphire

Dravite

Sapphire Vs Dravite

Sapphire

Dravite

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Astrology

Origin

Burma, Sri Lanka, India, Madagascar, Kenya, Tanzania, Thailand, Cambodia, China, Australia, USA

Southern and central Africa

Color

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

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

Streak

Colorless

For which Rashi?

Pisces, Taurus, Gemini, Libra

Planet

Saturn

Element of Planets

Water

Energy

How to Wear?

Finger

Ring Metal

Deities

Apollo

Not to wear with

Powers

Psychic Power

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Solubility

insoluble

Durability

Specific Gravity

3.95-4.033.03-3.18

1 7.18

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Fracture

Uneven

Uneven, Irregular, Conchoidal

Cleavage

None, but may exhibit parting

{???} Indistinct

Mohs Hardness

97-7.5

2 10

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Chemical Composition

Al ₂ O ₃

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

Optical Properties

Luster

Vitreous, Adamantine

Vitreous

Pleochroism

Strong

Very strong: pale yellow colorless

Dispersion

0.020.02

0.005 1

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Transparency

Transparent, Translucent, Transparent to opaque

Transparent

Refractive Index

1.762-1.7881.614-1.666

1 3.25

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Optic Character

Crystal System

Trigonal

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

Birefringence

0.008-0.0090.014-0.032

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Intuition

Self-acceptance

Healing

Emotional healing

Qualities Associated

Wisdom

Self-Exploration

Sapphire Vs Dravite Fracture

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

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Sapphire Vs Dravite Luster

A primary knowledge about Sapphire 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. Sapphire exhibits Vitreous and Adamantine luster. Dravite, on other hand, exhibits Vitreous luster.