Carnelian

Lapis lazuli

Carnelian Vs Lapis lazuli

Carnelian

Lapis lazuli

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1 Astrology

1.1 Origin

Not Available

Afghanistan

1.2 Color

Red

Violet, Blue, White

1.3 Streak

White

Blue

1.4 For which Rashi?

Taurus, Leo, Taurus, Leo, Taurus, Leo

Sagittarius

1.5 Planet

Sun

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

Projective

Receptive

1.9 Deities

Isis, Bragi

Venus

1.10 Not to wear with

Not Available

1.11 Powers

Protection, Healing, Courage

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

2.58-2.642.50-3.00

1 7.18

2.5 Fracture

Uneven, Splintery, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)

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

2.6 Cleavage

Absent

3,6

2.7 Mohs Hardness

6.5-75.5

2 10

2.8 Chemical Composition

SiO₂

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

AbsentWalter Schumann

3.3 Dispersion

NoneNone

0.007 1

3.4 Transparency

Translucent, Transparent to nearly opaque

Opaque

3.5 Refractive Index

1.535-1.5391.500-1.670

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Trigonal

3.8 Birefringence

0.003-0.009Not Available

0 0.296

3.9 Clarity

Translucent

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

Carnelian Vs Lapis lazuli Fracture

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

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Carnelian Vs Lapis lazuli Luster

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