Willemite

Lapis lazuli

Willemite Vs Lapis lazuli

Willemite

Lapis lazuli

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Astrology

Origin

Canada

Afghanistan

Color

Yellow, Brown, Red, White, Green, Reddish, Black

Violet, Blue, White

Streak

White

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

3.89-4.182.50-3.00

1 7.18

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Fracture

Conchoidal, Uneven

Uneven-Conchoidal, ConchoidalWalter Schumann

Cleavage

{0001}, {11 2 0} imperfect

3,6

Mohs Hardness

5.55.5

2 10

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Chemical Composition

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

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

Optical Properties

Luster

Vitreous, Resinous

Vitreous, Greasy

Pleochroism

Dispersion

0.17-

0.005 1

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Transparency

Transparent, Translucent

Opaque

Refractive Index

1.687-1.7231.500-1.670

1 3.25

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Optic Character

Crystal System

Trigonal

Birefringence

0.028-0.030-9999

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Supports heart health

Respiratory

Poor

Good

Reproductive

Digestive

Psychology

Optimism

Wisdom

Healing

Emotional healing

Qualities Associated

Transformation

Inner Truth

Willemite Vs Lapis lazuli Fracture

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

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Willemite Vs Lapis lazuli Luster

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