Pleonaste

Lapis lazuli

Pleonaste Vs Lapis lazuli

Pleonaste

Lapis lazuli

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1 Astrology

1.2 Origin

Madagascar, Sri Lanka

Afghanistan

1.4 Color

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

Violet, Blue, White

1.6 Streak

Not Available

Blue

1.8 For which Rashi?

Not Available

Sagittarius

1.1 Planet

Not Available

Venus

1.4 Element of Planets

Not Available

Water

1.7 Energy

Not Available

Receptive

1.8 How to Wear?

1.9.1 Finger

Not Available

1.11.1 Ring Metal

Not Available

1.14 Deities

Not Available

Venus

1.16 Not to wear with

Not Available

1.19 Powers

Not Available

Protection, Courage

1.22 Birthstone

1.22.2 Planetary

Not Available

2.0.5 Talisman

Not Available

3 Physical Properties

3.1 Tenacity

Not Available

3.5 Solubility

Not Available

3.7 Durability

Not Available

4.1 Specific Gravity

3.802.50-3.00

1 7.18

4.8 Fracture

Not Available

Uneven-Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)

4.10 Cleavage

Not Available

3,6

4.11 Mohs Hardness

85.5

2 10

4.16 Chemical Composition

(Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)

The chief constituent Lapis Lazuli is Lazurite, with the following chemical formula: (Na,Ca)₈Al₆Si₆O₂₄(S,SO)₄

6 Optical Properties

6.1 Luster

Not Available

Vitreous, Greasy

6.3 Pleochroism

Not Available

AbsentWalter Schumann

6.5 Dispersion

NANone

0.007 1

7.6 Transparency

Gemmological Tables (2004)

Opaque

7.7 Refractive Index

1.7801.500-1.670

1 3.25

7.16 Optic Character

Not Available

7.17 Crystal System

Not Available

Trigonal

7.18 Birefringence

Not AvailableNot Available

0 0.296

9.7 Clarity

Gemmological Tables (2004)

Gemstones of the world (2001)

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

Pleonaste Vs Lapis lazuli Fracture

Fracture is an important parameter when you compare Pleonaste and Lapis lazuli Physical Properties. It is necessary to understand the significance of these properties, before you compare Pleonaste Vs Lapis lazuli 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. Lapis lazuli fracture is Uneven-Conchoidal, ConchoidalWalter Schumann and Gemstones of the world (2001).

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Pleonaste Vs Lapis lazuli Luster

A primary knowledge about Pleonaste vs Lapis lazuli 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. Lapis lazuli, on other hand, exhibits Vitreous and Greasy luster.