Omphacite

Lapis lazuli

Omphacite Vs Lapis lazuli

Omphacite

Lapis lazuli

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1 Astrology

1.1 Origin

Southern and central Africa

Afghanistan

1.2 Color

Green

Violet, Blue, White

1.3 Streak

Greenish, White

Blue

1.4 For which Rashi?

Not Available

Sagittarius

1.5 Planet

Not Available

Venus

1.6 Element of Planets

Not Available

Water

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Not Available

Receptive

1.9 Deities

Not Available

Venus

1.10 Not to wear with

Not Available

1.11 Powers

Not Available

Protection, Courage

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

3.16-3.432.50-3.00

1 7.18

2.5 Fracture

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

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

2.6 Cleavage

{110} Good, {110} Good

3,6

2.7 Mohs Hardness

5-65.5

2 10

2.8 Chemical Composition

(Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)

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

3 Optical Properties

3.1 Luster

Vitreous

Vitreous, Greasy

3.2 Pleochroism

Weak: colorless -- very pale green -- very pale green

AbsentWalter Schumann

3.3 Dispersion

NANone

0.007 1

3.4 Transparency

TranslucentAnthony et al, Handbook of mineralogy (2001)

Opaque

3.5 Refractive Index

1.662-1.7231.500-1.670

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Not Available

Trigonal

3.8 Birefringence

Not AvailableNot Available

0 0.296

3.9 Clarity

TranslucentAnthony et al

Gemstones of the world (2001)

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

Omphacite Vs Lapis lazuli Fracture

Fracture is an important parameter when you compare Omphacite and Lapis lazuli Physical Properties. It is necessary to understand the significance of these properties, before you compare Omphacite 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. Fracture observed in Omphacite is Brittle, Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Uneven and Uneven. Lapis lazuli fracture is ConchoidalWalter Schumann, Gemstones of the world (2001) and Uneven-Conchoidal.

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Omphacite Vs Lapis lazuli Luster

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