Lapis lazuli

Mother of Pearl

Lapis lazuli Vs Mother of Pearl

Lapis lazuli

Mother of Pearl

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1 Astrology

1.1 Origin

Afghanistan

Southern and central Africa

1.2 Color

Violet, Blue, White

Yellow, Red, Brown

1.3 Streak

Blue

Not Available

1.4 For which Rashi?

Sagittarius

Pisces, Cancer, Pisces, Cancer

1.5 Planet

Venus

Moon, Neptune

1.6 Element of Planets

Water

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Receptive

1.9 Deities

Venus

Goddess

1.10 Not to wear with

Not Available

1.11 Powers

Protection, Courage

Wealth

1.12 Birthstone

1.12.1 Planetary

Not Available

1.12.2 Talisman

Not Available

2 Physical Properties

2.1 Tenacity

Not Available

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

2.50-3.002.65-2.87

1 7.18

2.5 Fracture

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

Not Available

2.6 Cleavage

3,6

Not Available

2.7 Mohs Hardness

5.52.5-4.5

2 10

2.8 Chemical Composition

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

Not Available

3 Optical Properties

3.1 Luster

Vitreous, Greasy

Not Available

3.2 Pleochroism

AbsentWalter Schumann

Not Available

3.3 Dispersion

NoneNA

0.007 1

3.4 Transparency

Opaque

Gemmological Tables (2004)

3.5 Refractive Index

1.500-1.6701.53-1.69

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Trigonal

Not Available

3.8 Birefringence

Not Available0.16

0 0.296

3.9 Clarity

Gemstones of the world (2001)

Gemmological Tables (2004)

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

Lapis lazuli Vs Mother of Pearl Fracture

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

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Lapis lazuli Vs Mother of Pearl Luster

A primary knowledge about Lapis lazuli vs Mother of Pearl 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 exhibits Greasy and Vitreous luster.