Dravite

Umbalite

Dravite Vs Umbalite

Dravite

Umbalite

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Astrology

Origin

Southern and central Africa

Color

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

Streak

Colorless

For which Rashi?

Planet

Element of Planets

Energy

How to Wear?

Finger

Ring Metal

Deities

Not to wear with

Powers

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

3.03-3.183.62-4.33

1 7.18

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Fracture

Uneven, Irregular, Conchoidal

Uneven

Cleavage

{???} Indistinct

Indiscernible

Mohs Hardness

7-7.57-7.5

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)

Mg 3Al 2(SiO 4) 3 -Mn2+3Al 2(SiO 4) 3Gemdat.org , Management Team (2012)

Optical Properties

Luster

Vitreous

Pleochroism

Very strong: pale yellow colorless

Dispersion

0.020.02

0.005 1

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Transparency

Transparent

TransparentGemdat.org

Refractive Index

1.614-1.6661.730-1.820

1 3.25

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Optic Character

Crystal System

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

Birefringence

0.014-0.032-9999

0 0.296

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Clarity

Transparent

TransparentGemdat.org

Benefits

Physical

Neurological

Cardiovascular

Supports heart health

Respiratory

Reproductive

Digestive

Psychology

Self-acceptance

Healing

Emotional healing

Qualities Associated

Self-Exploration

Love

Dravite Vs Umbalite Fracture

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

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Dravite Vs Umbalite Luster

A primary knowledge about Dravite vs Umbalite 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.