Lapis lazuli

Liddicoatite

Lapis lazuli Vs Liddicoatite

Lapis lazuli

Liddicoatite

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1 Astrology

1.1 Origin

Afghanistan

Sri Lanka

1.2 Color

Violet, Blue, White

Green, Red, Blue, Brown, pink

1.3 Streak

Blue

White

1.4 For which Rashi?

Sagittarius

Not Available

1.5 Planet

Venus

Not Available

1.6 Element of Planets

Water

Not Available

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Receptive

Not Available

1.9 Deities

Venus

Not Available

1.10 Not to wear with

Not Available

1.11 Powers

Protection, Courage

Not Available

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

2.50-3.003.02

1 7.18

2.5 Fracture

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

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal

2.6 Cleavage

3,6

{0001} Poor

2.7 Mohs Hardness

5.5Not Available

2 10

2.8 Chemical Composition

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

Ca(Li 2Al)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

3 Optical Properties

3.1 Luster

Vitreous, Greasy

Vitreous

3.2 Pleochroism

AbsentWalter Schumann

Strong: dark brown light brownAnthony et al

3.3 Dispersion

NoneNA

0.007 1

3.4 Transparency

Opaque

Transparent

3.5 Refractive Index

1.500-1.670Not Available

1 3.25

1.5 Optic Character

Not Available

1.6 Crystal System

Trigonal

Not Available

1.7 Birefringence

Not AvailableNot Available

0 0.296

1.8 Clarity

Gemstones of the world (2001)

Transparent

2 Benefits

2.1 Physical

2.1.1 Neurological

Not Available

2.1.2 Cardiovascular

Not Available

2.1.3 Respiratory

Not Available

2.2.1 Reproductive

Not Available

2.2.2 Digestive

Not Available

2.4 Psychology

Not Available

2.6 Healing

Not Available

2.7 Qualities Associated

Not Available

Lapis lazuli Vs Liddicoatite Fracture

Fracture is an important parameter when you compare Lapis lazuli and Liddicoatite Physical Properties. It is necessary to understand the significance of these properties, before you compare Lapis lazuli Vs Liddicoatite 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. Liddicoatite fracture is Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Uneven and Uneven.

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Lapis lazuli Vs Liddicoatite Luster

A primary knowledge about Lapis lazuli vs Liddicoatite 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. Liddicoatite, on other hand, exhibits Vitreous luster.