Spinel

Andradite

Spinel Vs Andradite

Spinel

Andradite

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Astrology

Origin

Brazil, USA, Madagascar, Sri Lanka, Burma, Thailand, Cambodia, Afghanistan, Russia

Italy, Russia

Color

Blue, Violet, Colorless, Red, Green, Brown

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

Streak

White

For which Rashi?

Sagittarius, Scorpio

Planet

Pluto

Element of Planets

Energy

How to Wear?

Finger

Ring Metal

Deities

Hephaestus

Not to wear with

Powers

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

3.64-3.663.70-4.10

1 7.18

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Fracture

Conchoidal, Uneven

Cleavage

None, but may exhibit slight parting

none

Mohs Hardness

86.5-7

2 10

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Chemical Composition

MgAl₂O₄

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

Optical Properties

Luster

Vitreous

Adamantine, Resinous

Pleochroism

Absent

Dispersion

0.020.06

0.005 1

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Transparency

Transparent, Translucent, Transparent to translucent

Transparent

Refractive Index

1.731.88-1.94

1 3.25

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Optic Character

Crystal System

Isometric

cubic

Birefringence

-99990.057

0 0.296

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Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Supports heart health

Respiratory

Good

Reproductive

Digestive

Psychology

Revitalization

Positivity

Healing

Emotional healing

Physical healing

Qualities Associated

Vitality

Empowerment

Spinel Vs Andradite Fracture

Fracture is an important parameter when you compare Spinel and Andradite Physical Properties. It is necessary to understand the significance of these properties, before you compare Spinel 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 Spinel is Conchoidal and Uneven. Andradite fracture is Conchoidal and Uneven.

Compare Gems for Scorpio

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Spinel Vs Andradite Luster

A primary knowledge about Spinel 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. Spinel exhibits Vitreous luster. Andradite, on other hand, exhibits Adamantine and Resinous luster.