Iolite

Cassiterite

Iolite Vs Cassiterite

Iolite

Cassiterite

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Astrology

Origin

Brazil, USA, Canada, Madagascar, Sri Lanka, India, Burma

Sri Lanka

Color

Blue, Violet, Yellow, Grey

Black, Brownish, Reddish, Brown, Red, Yellow, White, Colorless, Green, gray

Streak

White, Brownish

For which Rashi?

Libra, Sagittarius, Taurus

Planet

Jupiter

Element of Planets

Water

Energy

How to Wear?

Finger

Ring Metal

Deities

Not to wear with

Powers

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Brittle

Solubility

insoluble

Durability

Specific Gravity

2.6-2.76.86-7.03

1 7.18

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Fracture

Subconchoidal, Uneven, Conchoidal, Irregular

Cleavage

3,1

{100} imperfect, {110} indistinct; partings on {111} or {011}

Mohs Hardness

7-7.56-7

2 10

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Chemical Composition

Mg₂Al₄Si₅O₁₈

SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Optical Properties

Luster

Vitreous

Adamantine, Greasy

Pleochroism

Pleochroic haloes have been observed. Dichroic in yellow

Dispersion

0.020.07

0.005 1

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Transparency

Transparent, Translucent, Transparent to translucent

Transparent, Translucent

Refractive Index

1.52-1.561.990-2.105

1 3.25

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Optic Character

Crystal System

Orthorhombic

tetragonal

Birefringence

-99990.096-0.098

0 0.296

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Clarity

Transparent to translucent

Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Supports heart health

Respiratory

Excellent

Poor

Reproductive

Digestive

Supports digestive health

Psychology

Intuition

Focus

Healing

Emotional healing

Qualities Associated

Intuition

Manifestation

Iolite Vs Cassiterite Fracture

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

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Iolite Vs Cassiterite Luster

A primary knowledge about Iolite vs Cassiterite 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. Iolite exhibits Vitreous luster. Cassiterite, on other hand, exhibits Adamantine and Greasy luster.