Polyhalite

Common Opal

Polyhalite Vs Common Opal

Polyhalite

Common Opal

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1 Astrology

1.1 Origin

Austria

Southern and central Africa

1.2 Color

Colorless, White, Red, gray, pink

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

1.3 Streak

White

Not Available

1.4 For which Rashi?

Not Available

1.5 Planet

Not Available

1.6 Element of Planets

Not Available

1.7 Energy

Not Available

1.8 How to Wear?

1.8.1 Finger

Not Available

1.8.2 Ring Metal

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

2.781.98-2.50

1 7.18

2.14 Fracture

Conchoidal, Brittle

Conchoidal, Conchoidal, Gemstones of the world (2001)

2.15 Cleavage

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

Not Available

2.16 Mohs Hardness

3.55.5-6.5

2 10

5.5 Chemical Composition

Not Available

SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

6 Optical Properties

6.1 Luster

Vitreous, Resinous

Not Available

6.2 Pleochroism

Not Available

AbsentWalter Schumann

6.3 Dispersion

NANone

0.007 1

6.13 Transparency

Not Available

Translucent

6.16 Refractive Index

1.546-1.5481.37-1.52

1 3.25

6.21 Optic Character

Not Available

6.22 Crystal System

Triclinic

Not Available

6.23 Birefringence

0.021Not Available

0 0.296

9.6 Clarity

Not Available

Translucent

10 Benefits

10.1 Physical

10.1.1 Neurological

Not Available

10.1.2 Cardiovascular

Not Available

10.1.3 Respiratory

Not Available

10.1.4 Reproductive

Not Available

10.1.5 Digestive

Not Available

10.2 Psychology

Not Available

10.3 Healing

Not Available

10.4 Qualities Associated

Not Available

Polyhalite Vs Common Opal Fracture

Fracture is an important parameter when you compare Polyhalite and Common Opal Physical Properties. It is necessary to understand the significance of these properties, before you compare Polyhalite Vs Common Opal 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 Conchoidal and Brittle. Common Opal fracture is Conchoidal, Conchoidal and Gemstones of the world (2001).

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Polyhalite Vs Common Opal Luster

A primary knowledge about Polyhalite vs Common Opal 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 Vitreous and Resinous luster.