Iolite

Vivianite

Iolite Vs Vivianite

Iolite

Vivianite

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Astrology

Origin

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

Southern and central Africa

Color

Blue, Violet, Yellow, Grey

Blue, Green, Colorless

Streak

White

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

Solubility

Durability

Specific Gravity

2.6-2.72.64-2.70

1 7.18

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Fracture

Cleavage

3,1

{010} Perfect

Mohs Hardness

7-7.5-9999

2 10

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Chemical Composition

Mg₂Al₄Si₅O₁₈

Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

Optical Properties

Luster

Vitreous

Vitreous, Pearly

Pleochroism

Anomalous plechroism is strong with colours deep blue/pale yellowish green/yellowish green.Michael OâDonoghue

Dispersion

0.020.03

0.005 1

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Transparency

Transparent, Translucent, Transparent to translucent

Transparent

Refractive Index

1.52-1.561.560-1.640

1 3.25

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Optic Character

Crystal System

Orthorhombic

Birefringence

-99990.054-0.075

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

Good

Reproductive

Digestive

Supports digestive health

Psychology

Intuition

Hope

Healing

Emotional healing

Qualities Associated

Intuition

Transformation

Iolite Vs Vivianite Fracture

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

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Iolite Vs Vivianite Luster

A primary knowledge about Iolite vs Vivianite 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. Vivianite, on other hand, exhibits Vitreous and Pearly luster.