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Feldspar
Feldspar

Andalusite
Andalusite



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Feldspar
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Andalusite

Feldspar Vs Andalusite

Astrology

Origin

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

Color

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

Streak

White
White

For which Rashi?

-
-

Planet

-
Venus

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

2.56-2.753.05-3.21
1 7.18
👆🏻

Fracture

Uneven, Conchoidal
Uneven, Subconchoidal, Splintery

Cleavage

two or three
Good on {110}, poor on {100}

Mohs Hardness

6-6.57.5
2 10
👆🏻

Chemical Composition

KAlSi3O8
Al 2SiO 5Michael O’Donoghue , Gems, Sixth edition (2006) More from other references

Optical Properties

Luster

Vitreous
Vitreous, Greasy

Pleochroism

None
strongly trichroic

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Transparent, Translucent
Transparent, Translucent

Refractive Index

1.518-1.5701.627-1.650
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Triclinic or monoclinic
Orthorhombic

Birefringence

0.008-0.0100.009-0.010
0 0.296
👆🏻

Clarity

Transparent
Transparent

Benefits

Physical

Neurological

-
Enhances mental clarity and focus

Cardiovascular

-
Supports heart health

Respiratory

-
Excellent

Reproductive

-
-

Digestive

-
-

Psychology

Flexibility
Perception

Healing

Emotional healing
Physical healing

Qualities Associated

Balance
Self-Realization

Feldspar Vs Andalusite Fracture

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

Feldspar Vs Andalusite Luster

A primary knowledge about Feldspar vs Andalusite 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. Feldspar exhibits Vitreous luster. Andalusite, on other hand, exhibits Vitreous and Greasy luster.