Agate Opal

Petalite

Agate Opal Vs Petalite

Agate Opal

Petalite

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1 Astrology

1.6 Origin

Not Available, Southern and central Africa

Canada, USA, Brazil, Italy, Mozambique, Zimbabwe, Russia, Burma, Australia

1.9 Color

Not Available

Colorless, gray, Yellow, White

1.11 Streak

Not Available

Colorless

1.13 For which Rashi?

Not Available

3.1 Planet

Not Available

3.4 Element of Planets

Not Available

3.5 Energy

Not Available

1.1 How to Wear?

1.1.1 Finger

Not Available

2.4.1 Ring Metal

Not Available

2.6 Deities

Not Available

2.11 Not to wear with

Not Available

2.14 Powers

Not Available

2.17 Birthstone

2.17.1 Planetary

Not Available

2.20.3 Talisman

Not Available

3 Physical Properties

3.2 Tenacity

Not Available

Brittle

3.4 Solubility

Not Available

insoluble

3.5 Durability

Not Available

4.2 Specific Gravity

1.98-2.502.40

1 7.18

4.18 Fracture

Conchoidal, Conchoidal, Gemstones of the world (2001)

Subconchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Conchoidal

4.19 Cleavage

Not Available

Perfect on {001}, poor on {201} with 38.5° angle between the two

4.20 Mohs Hardness

5.5-6.56-6.5

2 10

8.2 Chemical Composition

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

LiAlSi 4O 10Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

9 Optical Properties

9.1 Luster

Not Available

Vitreous, Pearly

9.3 Pleochroism

AbsentWalter Schumann

9.4 Dispersion

None0.01

0.007 1

9.12 Transparency

Translucent

Gemmological Tables (2004) More from other references

9.14 Refractive Index

1.37-1.521.502-1.523

1 3.25

9.18 Optic Character

Not Available

9.19 Crystal System

Not Available

monoclinic

9.21 Birefringence

Not Available0.012-0.016

0 0.296

11.3 Clarity

Translucent

TransparentUlrich Henn and Claudio C. Milisenda

13 Benefits

13.2 Physical

13.2.1 Neurological

Not Available

13.3.2 Cardiovascular

Not Available

13.4.2 Respiratory

Not Available

13.4.4 Reproductive

Not Available

13.4.6 Digestive

Not Available

13.6 Psychology

Not Available

13.8 Healing

Not Available

13.10 Qualities Associated

Not Available

Agate Opal Vs Petalite Fracture

Fracture is an important parameter when you compare Agate Opal and Petalite Physical Properties. It is necessary to understand the significance of these properties, before you compare Agate Opal Vs Petalite 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 Agate Opal is Conchoidal, Conchoidal and Gemstones of the world (2001). Petalite fracture is Subconchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle and Conchoidal.

Compare Gems Found In Africa

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Agate Opal Vs Petalite Luster

A primary knowledge about Agate Opal vs Petalite 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. Petalite, on other hand, exhibits Vitreous and Pearly luster.