Sugilite

Opal

Sugilite Vs Opal

Sugilite

Opal

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Astrology

Origin

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

Ethiopia

Color

Violet, Brownish, Yellow, Reddish, Pale pink

Yellow, White, Red, Brown, Blue

Streak

White

For which Rashi?

Virgo

Cancer, Libra, Scorpio

Planet

Mercury, Jupiter

Mercury

Element of Planets

Water

Earth, Air, Water

Energy

How to Wear?

Finger

Ring Metal

Deities

Cupid

Not to wear with

Powers

Astral Projection, Psychicism

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

BrittleWalter Schumann

Solubility

hot salt water

Durability

Specific Gravity

2.69-2.791.98-2.25

1 7.18

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Fracture

Conchoidal

Cleavage

Poor on {0001}

None

Mohs Hardness

5.5-6.55-6.5

2 10

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Chemical Composition

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

SiO₂ · nH₂O

Optical Properties

Luster

Vitreous

Vitreous, Pearly

Pleochroism

Weak

None

Dispersion

0.020.01

0.005 1

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Transparency

Translucent

Transparent, Translucent, Transparent to translucent

Refractive Index

1.607-1.6121.37-1.52

1 3.25

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Optic Character

Crystal System

Hexagonal

Trigonal

Birefringence

0.003-9999

0 0.296

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Clarity

Translucent

Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Respiratory

Excellent

Reproductive

Digestive

Psychology

Spirituality

Creativity

Healing

Emotional healing

Qualities Associated

Spiritual Protection

Creativity

Sugilite Vs Opal Fracture

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

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Sugilite Vs Opal Luster

A primary knowledge about Sugilite vs Opal 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. Sugilite exhibits Vitreous luster. Opal, on other hand, exhibits Vitreous and Pearly luster.