Staurolite

Cordierite

Staurolite Vs Cordierite

Staurolite

Cordierite

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Astrology

Origin

Switzerland

Australia, Brazil, Burma, Canada, India, Madagascar, Sri Lanka, Tanzania

Color

Brown, Brownish, Yellow, Black, Reddish

Blue, Violet, Greenish, Brown, Colorless, Yellow, gray

Streak

White, gray

White

For which Rashi?

Planet

Element of Planets

Energy

How to Wear?

Finger

Ring Metal

Deities

Not to wear with

Powers

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

3.7-3.82.57-2.66

1 7.18

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Fracture

Subconchoidal, Conchoidal

Cleavage

Distinct on {010}

Fair on {100}, poor on {001} and {010}

Mohs Hardness

7-7.57-7.5

2 10

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Chemical Composition

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

Mg2Al4Si5O18

Optical Properties

Luster

Resinous

Greasy, Vitreous

Pleochroism

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

X = pale yellow

Dispersion

0.020.01

0.005 1

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Transparency

Refractive Index

1.736-1.762-9999

1 3.25

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Optic Character

Crystal System

monoclinic

Orthorhombic

Birefringence

0.009-0.015-9999

0 0.296

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Clarity

Benefits

Physical

Neurological

Enhances mental clarity and focus

Supports healthy digestion

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Protection

Intuition

Healing

Physical healing

Emotional healing

Qualities Associated

Protection

Psychic Abilities

Staurolite Vs Cordierite Fracture

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

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Staurolite Vs Cordierite Luster

A primary knowledge about Staurolite vs Cordierite 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. Cordierite, on other hand, exhibits Greasy and Vitreous luster.