Dumortierite

Alunite

Dumortierite Vs Alunite

Dumortierite

Alunite

Add ⊕

Astrology

Origin

Southern and central Africa

Australia, Italy

Color

Blue, Violet, Brown, White, Greenish, pink

Yellow, Red, Reddish, Brown, Colorless, White, gray

Streak

White

For which Rashi?

Leo, Sagittarius

Planet

Saturn

Element of Planets

Water

Energy

How to Wear?

Finger

Ring Metal

Deities

Isis

Not to wear with

Powers

Healing

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Brittle

Solubility

Soluble

Durability

Specific Gravity

3.26-3.412.6-2.9

1 7.18

👆🏻

Fracture

Fibrous, ConchoidalWalter Schumann

Conchoidal, Uneven

Cleavage

Distinct on {100}, poor on {110}; parting on {001}

On {0001}, perfect

Mohs Hardness

7-8.53.5-4

2 10

👆🏻

Chemical Composition

AlAl₆O₃BSi₃O₁₈

KAl3(SO4)2(OH)6

Optical Properties

Luster

Vitreous

Vitreous, Pearly

Pleochroism

Strong; X = deep blue or violet; Y = yellow to red-violet or nearly colorless; Z = colorless or very pale blue

Dispersion

0.010.02

0.005 1

👆🏻

Transparency

Translucent, Translucent to opaque

Refractive Index

1.669-1.7231.572

1 3.25

👆🏻

Optic Character

Crystal System

Orthorhombic

Trigonal

Birefringence

0.011-0.0370.020

0 0.296

👆🏻

Clarity

Translucent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Patience

Stability

Healing

Emotional healing

Qualities Associated

Patience

Stability

Dumortierite Vs Alunite Fracture

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

Compare Gems for Leo » More

Dumortierite Vs Rhodochrosite

Dumortierite Vs Sunstone

Dumortierite Vs Aqua Aura

» More Compare Gems for Leo

Dumortierite Vs Alunite Luster

A primary knowledge about Dumortierite vs Alunite 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. Dumortierite exhibits Vitreous luster. Alunite, on other hand, exhibits Vitreous and Pearly luster.