Obsidian

Lapis lazuli

Obsidian Vs Lapis lazuli

Obsidian

Lapis lazuli

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Astrology

Origin

Australia, Canada, Guatemala, Italy, Kenya, Mexico, Turkey

Afghanistan

Color

Brown, Green

Violet, Blue, White

Streak

Blue

For which Rashi?

Sagittarius

Planet

Venus

Element of Planets

Water

Energy

How to Wear?

Finger

Ring Metal

Deities

Itzpapalotl

Venus

Not to wear with

Powers

Protection

Protection, Courage

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

2.35-2.602.50-3.00

1 7.18

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Fracture

Conchoidal, ConchoidalWalter Schumann

Uneven-Conchoidal, ConchoidalWalter Schumann

Cleavage

None

3,6

Mohs Hardness

5-5.55.5

2 10

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Chemical Composition

SiO2

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

Optical Properties

Luster

Vitreous

Vitreous, Greasy

Pleochroism

Dispersion

0.01-

0.005 1

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Transparency

Transparent, Translucent

Opaque

Refractive Index

1.450-1.5501.500-1.670

1 3.25

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Optic Character

Crystal System

Trigonal

Birefringence

-9999-9999

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Aids in mental clarity and focus

Enhances mental clarity and focus

Cardiovascular

Supports heart health

Respiratory

Good

Reproductive

Digestive

Psychology

Grounding

Wisdom

Healing

Physical healing

Emotional healing

Qualities Associated

Protection

Inner Truth

Obsidian Vs Lapis lazuli Fracture

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

Compare Gems for Sagittarius

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Obsidian Vs Spinel

Obsidian Vs Tanzanite

Obsidian Vs Lapis lazuli Luster

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