Andradite

Spinel

Andradite Vs Spinel

Andradite

Spinel

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Astrology

Origin

Italy, Russia

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

Color

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

Blue, Violet, Colorless, Red, Green, Brown

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

3.70-4.103.64-3.66

1 7.18

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Fracture

Conchoidal, Uneven

Cleavage

none

None, but may exhibit slight parting

Mohs Hardness

6.5-78

2 10

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Chemical Composition

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

MgAl₂O₄

Optical Properties

Luster

Adamantine, Resinous

Vitreous

Pleochroism

Absent

Dispersion

0.060.02

0.005 1

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Transparency

Transparent

Transparent, Translucent, Transparent to translucent

Refractive Index

1.88-1.941.73

1 3.25

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Optic Character

Crystal System

cubic

Isometric

Birefringence

0.057-9999

0 0.296

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Clarity

Transparent

TransparentUlrich Henn and Claudio C. Milisenda

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Supports heart health

Respiratory

Good

Reproductive

Digestive

Psychology

Positivity

Revitalization

Healing

Physical healing

Emotional healing

Qualities Associated

Empowerment

Vitality

Andradite Vs Spinel Fracture

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

Compare Green Gemstones

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Andradite Vs Spinel Luster

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