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Lapis lazuli
Lapis lazuli

Gahnospinel
Gahnospinel



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Lapis lazuli
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Gahnospinel

Lapis lazuli Vs Gahnospinel

Astrology

Origin

Afghanistan
Sri Lanka

Color

Violet, Blue, White
Blue

Streak

Blue
-

For which Rashi?

Sagittarius
Sagittarius, Scorpio

Planet

Venus
Pluto

Element of Planets

Water
-

Energy

-
-

How to Wear?

Finger

-
-

Ring Metal

-
-

Deities

Venus
Hephaestus

Not to wear with

-
-

Powers

Protection, Courage
-

Birthstone

Planetary

-
-

Talisman

-
-

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

2.50-3.003.65-4.55
1 7.18
👆🏻

Fracture

Uneven-Conchoidal, ConchoidalWalter Schumann
Conchoidal

Cleavage

3,6
None, but may exhibit slight parting

Mohs Hardness

5.57.5-8
2 10
👆🏻

Chemical Composition

The chief constituent Lapis Lazuli is Lazurite, with the following chemical formula: (Na,Ca)8Al6Si6O24(S,SO)4
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)

Optical Properties

Luster

Vitreous, Greasy
Vitreous

Pleochroism

-
-

Dispersion

-0.02
0.005 1
👆🏻

Transparency

Opaque
-

Refractive Index

1.500-1.6701.735-1.790
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
Isometric

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

-
TransparentUlrich Henn and Claudio C. Milisenda

Benefits

Physical

Neurological

Enhances mental clarity and focus
-

Cardiovascular

Supports heart health
-

Respiratory

Good
-

Reproductive

-
-

Digestive

-
-

Psychology

Wisdom
Empowerment

Healing

Emotional healing
-

Qualities Associated

Inner Truth
Transformation

Lapis lazuli Vs Gahnospinel Fracture

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

Lapis lazuli Vs Gahnospinel Luster

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