Lapis lazuli

Shattuckite

Lapis lazuli Vs Shattuckite

Lapis lazuli

Shattuckite

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Astrology

Origin

Afghanistan

Color

Violet, Blue, White

Blue, Green

Streak

Blue

For which Rashi?

Sagittarius

Planet

Venus

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

2.50-3.003.80-4.15

1 7.18

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Fracture

Uneven-Conchoidal, ConchoidalWalter Schumann

Uneven

Cleavage

3,6

perfect along [010] and [100]

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 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Optical Properties

Luster

Vitreous, Greasy

Silky

Pleochroism

X = very pale blue; Y = pale blue; Z = deep blue

Dispersion

-0.02

0.005 1

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Transparency

Opaque

Translucent

Refractive Index

1.500-1.6701.752-1.815

1 3.25

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Optic Character

Crystal System

Trigonal

Orthorhombic

Birefringence

-99990.063

0 0.296

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Clarity

Translucent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Supports heart health

Respiratory

Good

Reproductive

Digestive

Psychology

Wisdom

Communication

Healing

Emotional healing

Qualities Associated

Inner Truth

Communication

Lapis lazuli Vs Shattuckite Fracture

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

Compare Gems for Sagittarius

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Lapis lazuli Vs Shattuckite Luster

A primary knowledge about Lapis lazuli vs Shattuckite 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. Shattuckite, on other hand, exhibits Silky luster.