Dravite

Spinel

Dravite Vs Spinel

Dravite

Spinel

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Astrology

Origin

Southern and central Africa

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

Color

White, Colorless, Blue, Red, Green, Yellow, Violet, Black

Blue, Violet, Colorless, Red, Green, Brown

Streak

Colorless

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

Solubility

Durability

Specific Gravity

3.03-3.183.64-3.66

1 7.18

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Fracture

Uneven, Irregular, Conchoidal

Conchoidal, Uneven

Cleavage

{???} Indistinct

None, but may exhibit slight parting

Mohs Hardness

7-7.58

2 10

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Chemical Composition

Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

MgAl₂O₄

Optical Properties

Luster

Vitreous

Pleochroism

Very strong: pale yellow colorless

Absent

Dispersion

0.020.02

0.005 1

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Transparency

Transparent

Transparent, Translucent, Transparent to translucent

Refractive Index

1.614-1.6661.73

1 3.25

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Optic Character

Crystal System

Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m

Isometric

Birefringence

0.014-0.032-9999

0 0.296

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Clarity

Transparent

TransparentUlrich Henn and Claudio C. Milisenda

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Self-acceptance

Revitalization

Healing

Emotional healing

Qualities Associated

Self-Exploration

Vitality

Dravite Vs Spinel Fracture

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

Compare Blue Gemstones

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Dravite Vs Spinel Luster

A primary knowledge about Dravite 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. Dravite exhibits Vitreous luster. Spinel, on other hand, exhibits Vitreous luster.