Dumortierite

Astrophyllite

Dumortierite Vs Astrophyllite

Dumortierite

Astrophyllite

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Astrology

Origin

Southern and central Africa

Canada, Russia

Color

Blue, Violet, Brown, White, Greenish, pink

Brown, Yellow, Greenish, Brownish, Red

Streak

White

Brown, 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

Solubility

Durability

Specific Gravity

3.26-3.413.2-3.4

1 7.18

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Fracture

Fibrous, ConchoidalWalter Schumann

Uneven

Cleavage

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

Perfect on [001] imperfect on [100]

Mohs Hardness

7-8.53

2 10

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Chemical Composition

AlAl₆O₃BSi₃O₁₈

(K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)

Optical Properties

Luster

Vitreous

Greasy, Pearly

Pleochroism

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

Strong: X= deep red-orange Y= orange-yellow Z= lemon-yellow

Dispersion

0.010.12

0.005 1

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Transparency

Translucent, Translucent to opaque

Translucent

Refractive Index

1.669-1.7231.678-1.758

1 3.25

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Optic Character

Crystal System

Orthorhombic

Triclinic

Birefringence

0.011-0.0370.050

0 0.296

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Clarity

Translucent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Supports heart health

Respiratory

Good

Excellent

Reproductive

Digestive

Psychology

Patience

Self-Reflection

Healing

Emotional healing

Spiritual healing

Qualities Associated

Patience

Self-Reflection

Dumortierite Vs Astrophyllite Fracture

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

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Dumortierite Vs Astrophyllite Luster

A primary knowledge about Dumortierite vs Astrophyllite 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. Astrophyllite, on other hand, exhibits Greasy and Pearly luster.