Sugilite

Alexandrite

Sugilite Vs Alexandrite

Sugilite

Alexandrite

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Astrology

Origin

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

Russia, Brazil, Tanzania, Madagascar, Zambia, Sri Lanka, Burma, India, Origins: Russia

Color

Violet, Brownish, Yellow, Reddish, Pale pink

Green

Streak

White

For which Rashi?

Virgo

Scorpio

Planet

Mercury, Jupiter

Venus

Element of Planets

Water

Earth

Energy

How to Wear?

Finger

Ring Metal

Deities

Not to wear with

Powers

Love

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

2.69-2.793.69-3.81

1 7.18

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Fracture

Conchoidal

Cleavage

Poor on {0001}

1,1 ; 3,2.

Mohs Hardness

5.5-6.58.5

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

BeAl ₂ O ₄

Optical Properties

Luster

Vitreous

Pleochroism

Weak

Dispersion

0.020.02

0.005 1

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Transparency

Translucent

Transparent, Transparent to nearly opaque

Refractive Index

1.607-1.6121.739-1.770

1 3.25

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Optic Character

Biaxial/+

Crystal System

Hexagonal

Orthorhombic

Birefringence

0.0030.007-0.010

0 0.296

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Clarity

Translucent

Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Aids in grounding and protection

Respiratory

Excellent

Reproductive

Supports reproductive health

Digestive

Psychology

Spirituality

Transformation

Healing

Emotional healing

Qualities Associated

Spiritual Protection

Transformation

Sugilite Vs Alexandrite Fracture

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

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Sugilite Vs Alexandrite Luster

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