Lapis lazuli

Azurite

Lapis lazuli Vs Azurite

Lapis lazuli

Azurite

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Astrology

Origin

Afghanistan

Color

Violet, Blue, White

Blue, Green

Streak

Blue

For which Rashi?

Sagittarius

Sagittarius, Capricorn

Planet

Venus

Element of Planets

Water

Energy

How to Wear?

Finger

Ring Metal

Deities

Venus

Not to wear with

Powers

Protection, Courage

Psychic Power

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

2.50-3.003.70-3.90

1 7.18

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Fracture

Uneven-Conchoidal, ConchoidalWalter Schumann

Conchoidal

Cleavage

3,6

Perfect on {011}, fair on {100}, poor on {110}

Mohs Hardness

5.53.5-4

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

Cu 3(OH) 2(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Optical Properties

Luster

Vitreous, Greasy

Vitreous

Pleochroism

Visible shades of blue

Dispersion

-0.03

0.005 1

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Transparency

Opaque

Transparent, Translucent

Refractive Index

1.500-1.6701.720-1.850

1 3.25

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Optic Character

Crystal System

Trigonal

monoclinic

Birefringence

-99990.108

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Supports heart health

Respiratory

Good

Excellent

Reproductive

Supports reproductive health

Digestive

Psychology

Wisdom

Insight

Healing

Emotional healing

Qualities Associated

Inner Truth

Insight

Lapis lazuli Vs Azurite Fracture

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

Compare Gems for Sagittarius

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Lapis lazuli Vs Azurite Luster

A primary knowledge about Lapis lazuli vs Azurite 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. Azurite, on other hand, exhibits Vitreous luster.