Obsidian

Vivianite

Obsidian Vs Vivianite

Obsidian

Vivianite

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Astrology

Origin

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

Southern and central Africa

Color

Brown, Green

Blue, Green, Colorless

Streak

White

For which Rashi?

Sagittarius

Planet

Element of Planets

Energy

How to Wear?

Finger

Ring Metal

Deities

Itzpapalotl

Not to wear with

Powers

Protection

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

2.35-2.602.64-2.70

1 7.18

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Fracture

Conchoidal, ConchoidalWalter Schumann

Cleavage

None

{010} Perfect

Mohs Hardness

5-5.5-9999

2 10

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Chemical Composition

SiO2

Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

Optical Properties

Luster

Vitreous

Vitreous, Pearly

Pleochroism

Anomalous plechroism is strong with colours deep blue/pale yellowish green/yellowish green.Michael OâDonoghue

Dispersion

0.010.03

0.005 1

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Transparency

Transparent, Translucent

Transparent

Refractive Index

1.450-1.5501.560-1.640

1 3.25

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Optic Character

Crystal System

Birefringence

-99990.054-0.075

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Aids in mental clarity and focus

Enhances mental clarity and focus

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Grounding

Hope

Healing

Physical healing

Emotional healing

Qualities Associated

Protection

Transformation

Obsidian Vs Vivianite Fracture

Fracture is an important parameter when you compare Obsidian and Vivianite Physical Properties. It is necessary to understand the significance of these properties, before you compare Obsidian Vs Vivianite 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.

Compare Gems for Sagittarius

Obsidian Vs Sodalite

Obsidian Vs Spinel

Obsidian Vs Tanzanite

Obsidian Vs Vivianite Luster

A primary knowledge about Obsidian vs Vivianite 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. Vivianite, on other hand, exhibits Vitreous and Pearly luster.