Vivianite

Polyhalite

Vivianite Vs Polyhalite

Vivianite

Polyhalite

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1 Astrology

1.1 Origin

Southern and central Africa

Austria

1.2 Color

Blue, Green, Colorless

Colorless, White, Red, gray, pink

1.3 Streak

White

1.4 For which Rashi?

Not Available

1.5 Planet

Not Available

1.6 Element of Planets

Not Available

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Not Available

1.9 Deities

Not Available

1.10 Not to wear with

Not Available

1.11 Powers

Not Available

1.12 Birthstone

1.12.1 Planetary

Not Available

1.12.2 Talisman

Not Available

2 Physical Properties

2.1 Tenacity

Not Available

Brittle

2.2 Solubility

Not Available

Soluble

2.3 Durability

Not Available

2.4 Specific Gravity

2.64-2.702.78

1 7.18

2.5 Fracture

(e.g. graphite).

Conchoidal, Brittle

2.6 Cleavage

{010} Perfect

Perfect on {10 1 }; parting on {010}

2.7 Mohs Hardness

Not Available3.5

2 10

2.8 Chemical Composition

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

Not Available

3 Optical Properties

3.1 Luster

Vitreous, Pearly

Vitreous, Resinous

3.2 Pleochroism

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

Not Available

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Transparent

Not Available

3.5 Refractive Index

1.560-1.6401.546-1.548

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Not Available

Triclinic

3.8 Birefringence

0.054-0.0750.021

0 0.296

3.9 Clarity

Transparent

Not Available

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 Polyhalite Fracture

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

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Vivianite Vs Polyhalite Luster

A primary knowledge about Vivianite vs Polyhalite 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. Polyhalite, on other hand, exhibits Resinous and Vitreous luster.