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Vivianite
Vivianite

Dravite
Dravite



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Vivianite
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Dravite

Vivianite Vs Dravite

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Astrology

Origin

Southern and central Africa
Southern and central Africa

Color

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

Streak

White
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

2.64-2.703.03-3.18
1 7.18
👆🏻

Fracture

-
Uneven, Irregular, Conchoidal

Cleavage

{010} Perfect
{???} Indistinct

Mohs Hardness

-99997-7.5
2 10
👆🏻

Chemical Composition

Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Optical Properties

Luster

Vitreous, Pearly
Vitreous

Pleochroism

Anomalous plechroism is strong with colours deep blue/pale yellowish green/yellowish green.Michael O’Donoghue
Very strong: pale yellow colorless

Dispersion

0.030.02
0.005 1
👆🏻

Transparency

Transparent
Transparent

Refractive Index

1.560-1.6401.614-1.666
1 3.25
👆🏻

Optic Character

-
-

Crystal System

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

Birefringence

0.054-0.0750.014-0.032
0 0.296
👆🏻

Clarity

Transparent
Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus
-

Cardiovascular

-
-

Respiratory

Good
-

Reproductive

-
-

Digestive

-
-

Psychology

Hope
Self-acceptance

Healing

Emotional healing
Emotional healing

Qualities Associated

Transformation
Self-Exploration

Vivianite Vs Dravite Fracture

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

Vivianite Vs Dravite Luster

A primary knowledge about Vivianite vs Dravite 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. Vivianite exhibits Vitreous and Pearly luster. Dravite, on other hand, exhibits Vitreous luster.