Polyhalite

Vivianite

Polyhalite Vs Vivianite

Polyhalite

Vivianite

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1 Astrology

1.1 Origin

Austria

Southern and central Africa

1.2 Color

Colorless, White, Red, gray, pink

Blue, Green, Colorless

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

Brittle

Not Available

2.2 Solubility

Soluble

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

2.782.64-2.70

1 7.18

2.5 Fracture

Conchoidal, Brittle

(e.g. graphite).

2.6 Cleavage

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

{010} Perfect

2.7 Mohs Hardness

3.5Not Available

2 10

2.8 Chemical Composition

Not Available

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

3 Optical Properties

3.1 Luster

Vitreous, Resinous

Vitreous, Pearly

3.2 Pleochroism

Not Available

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

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Not Available

Transparent

3.5 Refractive Index

1.546-1.5481.560-1.640

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Triclinic

Not Available

3.8 Birefringence

0.0210.054-0.075

0 0.296

3.9 Clarity

Not Available

Transparent

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

Polyhalite Vs Vivianite Fracture

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

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Polyhalite Vs Vivianite Luster

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