Sellaite

Astrophyllite

Sellaite Vs Astrophyllite

Sellaite

Astrophyllite

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Astrology

Origin

Brazil

Canada, Russia

Color

Colorless, White

Brown, Yellow, Greenish, Brownish, Red

Streak

White

Brown, White

For which Rashi?

Planet

Element of Planets

Energy

How to Wear?

Finger

Ring Metal

Deities

Not to wear with

Powers

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

3.14-3.163.2-3.4

1 7.18

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Fracture

Conchoidal

Uneven

Cleavage

Perfect on {010} and {110}

Perfect on [001] imperfect on [100]

Mohs Hardness

5-5.53

2 10

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Chemical Composition

MgF 2Ulrich Henn and Claudio C.

(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 red-orange Y= orange-yellow Z= lemon-yellow

Dispersion

0.030.12

0.005 1

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Transparency

Transparent

Translucent

Refractive Index

1.378-1.3901.678-1.758

1 3.25

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Optic Character

Crystal System

tetragonal

Triclinic

Birefringence

0.0120.050

0 0.296

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Clarity

Transparent

Translucent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Supports heart health

Respiratory

Excellent

Reproductive

Digestive

Psychology

Self-Reflection

Healing

Spiritual healing

Qualities Associated

Emotional Healing

Self-Reflection

Sellaite Vs Astrophyllite Fracture

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

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Sellaite Vs Astrophyllite Luster

A primary knowledge about Sellaite 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. Sellaite exhibits Vitreous luster. Astrophyllite, on other hand, exhibits Greasy and Pearly luster.