Obsidian

Andradite

Obsidian Vs Andradite

Obsidian

Andradite

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1 Astrology

1.1 Origin

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

Italy, Russia

1.2 Color

Brown, Green

Colorless, Green, Black, Brown, Red, Greenish, Yellow, gray

1.3 Streak

Not Available

White

1.4 For which Rashi?

Sagittarius

Not Available

1.5 Planet

Not Available

1.6 Element of Planets

Not Available

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Projective

Not Available

1.9 Deities

Itzpapalotl

Not Available

1.10 Not to wear with

Not Available

1.11 Powers

Protection

Not Available

1.12 Birthstone

1.12.1 Planetary

Not Available

1.12.2 Talisman

Not Available

2 Physical Properties

2.1 Tenacity

Not Available

Brittle

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

2.35-2.603.70-4.10

1 7.18

2.5 Fracture

Conchoidal, ConchoidalWalter Schumann, Conchoidal

Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009)

2.6 Cleavage

Not Available

none

2.7 Mohs Hardness

5-5.56.5-7

2 10

2.8 Chemical Composition

Not Available

Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

3 Optical Properties

3.1 Luster

Vitreous

Adamantine, Resinous

3.2 Pleochroism

AbsentWalter Schumann

Not Available

3.3 Dispersion

0.010.06

0.007 1

3.4 Transparency

Transparent, Translucent

Transparent

3.5 Refractive Index

1.450-1.5501.88-1.94

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Amorphous

cubic

3.8 Birefringence

Not Available0.057

0 0.296

3.9 Clarity

Transparent

4 Benefits

4.1 Physical

4.1.1 Neurological

Not Available

4.1.2 Cardiovascular

Not Available

4.1.3 Respiratory

Not Available

4.1.4 Reproductive

Not Available

4.1.5 Digestive

Not Available

4.2 Psychology

Not Available

4.3 Healing

Not Available

4.4 Qualities Associated

Not Available

Obsidian Vs Andradite Fracture

Fracture is an important parameter when you compare Obsidian and Andradite Physical Properties. It is necessary to understand the significance of these properties, before you compare Obsidian Vs Andradite 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, Conchoidal and ConchoidalWalter Schumann. Andradite fracture is Brittle, Conchoidal, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009) and Uneven.

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Obsidian Vs Andradite Luster

A primary knowledge about Obsidian vs Andradite 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. Andradite, on other hand, exhibits Adamantine and Resinous luster.