Lapis lazuli

Iolite

Lapis lazuli Vs Iolite

Lapis lazuli

Iolite

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Astrology

Origin

Afghanistan

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

Color

Violet, Blue, White

Blue, Violet, Yellow, Grey

Streak

Blue

For which Rashi?

Sagittarius

Libra, Sagittarius, Taurus

Planet

Venus

Jupiter

Element of Planets

Water

Energy

How to Wear?

Finger

Ring Metal

Deities

Venus

Not to wear with

Powers

Protection, Courage

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

2.50-3.002.6-2.7

1 7.18

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Fracture

Uneven-Conchoidal, ConchoidalWalter Schumann

Cleavage

3,6

3,1

Mohs Hardness

5.57-7.5

2 10

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Chemical Composition

The chief constituent Lapis Lazuli is Lazurite, with the following chemical formula: (Na,Ca)₈Al₆Si₆O₂₄(S,SO)₄

Mg₂Al₄Si₅O₁₈

Optical Properties

Luster

Vitreous, Greasy

Vitreous

Pleochroism

Dispersion

-0.02

0.005 1

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Transparency

Opaque

Transparent, Translucent, Transparent to translucent

Refractive Index

1.500-1.6701.52-1.56

1 3.25

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Optic Character

Crystal System

Trigonal

Orthorhombic

Birefringence

-9999-9999

0 0.296

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Clarity

Transparent to translucent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Supports heart health

Respiratory

Good

Excellent

Reproductive

Digestive

Supports digestive health

Psychology

Wisdom

Intuition

Healing

Emotional healing

Qualities Associated

Inner Truth

Intuition

Lapis lazuli Vs Iolite Fracture

Fracture is an important parameter when you compare Lapis lazuli and Iolite Physical Properties. It is necessary to understand the significance of these properties, before you compare Lapis lazuli Vs Iolite 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 Lapis lazuli is Uneven-Conchoidal and ConchoidalWalter Schumann.

Compare Gems for Sagittarius

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Lapis lazuli Vs Iolite Luster

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