Staurolite

Alexandrite

Staurolite Vs Alexandrite

Staurolite

Alexandrite

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Astrology

Origin

Switzerland

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

Color

Brown, Brownish, Yellow, Black, Reddish

Green

Streak

White, gray

For which Rashi?

Scorpio

Planet

Venus

Element of Planets

Earth

Energy

How to Wear?

Finger

Ring Metal

Deities

Not to wear with

Powers

Love

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

3.7-3.83.69-3.81

1 7.18

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Fracture

Subconchoidal, Conchoidal

Cleavage

Distinct on {010}

1,1 ; 3,2.

Mohs Hardness

7-7.58.5

2 10

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Chemical Composition

(Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.

BeAl ₂ O ₄

Optical Properties

Luster

Resinous

Vitreous

Pleochroism

X = colorless; Y = pale yellow; Z = golden yellow

Dispersion

0.020.02

0.005 1

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Transparency

Transparent, Transparent to nearly opaque

Refractive Index

1.736-1.7621.739-1.770

1 3.25

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Optic Character

Biaxial/+

Crystal System

monoclinic

Orthorhombic

Birefringence

0.009-0.0150.007-0.010

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Aids in grounding and protection

Respiratory

Good

Excellent

Reproductive

Supports reproductive health

Digestive

Psychology

Protection

Transformation

Healing

Physical healing

Emotional healing

Qualities Associated

Protection

Transformation

Staurolite Vs Alexandrite Fracture

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

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Staurolite Vs Alexandrite Luster

A primary knowledge about Staurolite 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. Staurolite exhibits Resinous luster. Alexandrite, on other hand, exhibits Vitreous luster.