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Andalusite
Andalusite

Lazulite
Lazulite



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Andalusite
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Lazulite

Andalusite Vs Lazulite

Astrology

Origin

Spain, Brazil, USA, Sri Lanka, Burma, Origins: Spain, Burma. Discovered in Andalusia (Spain)
Brazil, Southern and central Africa

Color

Brown, pink, Violet, Yellow, Green, White, gray, Colorless, Red
Blue, Green, Black

Streak

White
White

For which Rashi?

-
Gemini, Sagittarius

Planet

Venus
Jupiter

Element of Planets

-
-

Energy

-
-

How to Wear?

Finger

-
-

Ring Metal

-
-

Deities

-
-

Not to wear with

-
-

Powers

-
-

Birthstone

Planetary

-
-

Talisman

-
-

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

3.05-3.213.04-3.17
1 7.18
👆🏻

Fracture

Uneven, Subconchoidal, Splintery
Uneven

Cleavage

Good on {110}, poor on {100}
{001} Indistinct, {???} Indistinct

Mohs Hardness

7.55.5
2 10
👆🏻

Chemical Composition

Al 2SiO 5Michael O’Donoghue , Gems, Sixth edition (2006) More from other references
(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references

Optical Properties

Luster

Vitreous, Greasy
-

Pleochroism

strongly trichroic
Transparent crystals show a strong pleochroism: colorless light blue dark (violet) blueHerve Nicolas Lazzarelli

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

Transparent, Translucent
Transparent, Translucent

Refractive Index

1.627-1.6501.604-1.646
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
monoclinic

Birefringence

0.009-0.0100.031-0.036
0 0.296
👆🏻

Clarity

Transparent
Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus
Balances digestive system and reduces bloating

Cardiovascular

Supports heart health
-

Respiratory

Excellent
Excellent

Reproductive

-
-

Digestive

-
Supports digestive health

Psychology

Perception
Clarity

Healing

Physical healing
Emotional healing

Qualities Associated

Self-Realization
Psychic Abilities

Andalusite Vs Lazulite Fracture

Fracture is an important parameter when you compare Andalusite and Lazulite Physical Properties. It is necessary to understand the significance of these properties, before you compare Andalusite Vs Lazulite 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 Andalusite is Uneven, Subconchoidal and Splintery. Lazulite fracture is Uneven.

Andalusite Vs Lazulite Luster

A primary knowledge about Andalusite vs Lazulite 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. Andalusite exhibits Vitreous and Greasy luster.