Vivianite

Dumortierite

Vivianite Vs Dumortierite

Vivianite

Dumortierite

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1 Astrology

1.1 Origin

Southern and central Africa

Southern and central Africa, violet, blue, violet, blue

1.2 Color

Blue, Green, Colorless

Blue, Violet, Brown, White, Blue, Brown, Violet, Greenish, pink

1.3 Streak

White

1.4 For which Rashi?

Not Available

Leo, Sagittarius, Leo, Sagittarius, Leo, Sagittarius

1.5 Planet

Not Available

Saturn

1.6 Element of Planets

Not Available

Water

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Not Available

Receptive

1.9 Deities

Not Available

Isis

1.10 Not to wear with

Not Available

1.11 Powers

Not Available

Healing

1.12 Birthstone

1.12.1 Planetary

Not Available

1.12.2 Talisman

Not Available

2 Physical Properties

2.1 Tenacity

Not Available

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

2.64-2.703.26-3.41

1 7.18

2.5 Fracture

(e.g. graphite).

Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references

2.6 Cleavage

{010} Perfect

Distinct on {100}, poor on {110}; parting on {001}

2.7 Mohs Hardness

Not Available7-8.5

2 10

2.8 Chemical Composition

Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

AlAl₆O₃BSi₃O₁₈

3 Optical Properties

3.1 Luster

Vitreous, Pearly

Vitreous

3.2 Pleochroism

Anomalous plechroism is strong with colours deep blue/pale yellowish green/yellowish green.Michael OâDonoghue

Strong; X = deep blue or violet; Y = yellow to red-violet or nearly colorless; Z = colorless or very pale blue

3.3 Dispersion

NANone

0.007 1

3.4 Transparency

Transparent

Translucent, Translucent to opaque

3.5 Refractive Index

1.560-1.6401.669-1.723

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Not Available

Orthorhombic

3.8 Birefringence

0.054-0.0750.011-0.037

0 0.296

3.9 Clarity

Transparent

Translucent

4 Benefits

4.1 Physical

4.1.1 Neurological

Not Available

4.1.2 Cardiovascular

Not Available

4.1.3 Respiratory

Not Available

4.1.4 Reproductive

Not Available

4.1.5 Digestive

Not Available

4.2 Psychology

Not Available

4.3 Healing

Not Available

4.4 Qualities Associated

Not Available

Vivianite Vs Dumortierite Fracture

Fracture is an important parameter when you compare Vivianite and Dumortierite Physical Properties. It is necessary to understand the significance of these properties, before you compare Vivianite Vs Dumortierite 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 Vivianite is (e.g. graphite).. Dumortierite fracture is ConchoidalWalter Schumann, Fibrous and Gemstones of the world (2001) More from other references.

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Vivianite Vs Dumortierite Luster

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