Opal

Astrophyllite

Opal Vs Astrophyllite

Opal

Astrophyllite

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Astrology

Origin

Ethiopia

Canada, Russia

Color

Yellow, White, Red, Brown, Blue

Brown, Yellow, Greenish, Brownish, Red

Streak

White

Brown, White

For which Rashi?

Cancer, Libra, Scorpio

Planet

Mercury

Element of Planets

Earth, Air, Water

Energy

How to Wear?

Finger

Ring Metal

Deities

Cupid

Not to wear with

Powers

Astral Projection, Psychicism

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

BrittleWalter Schumann

Solubility

hot salt water

Durability

Specific Gravity

1.98-2.253.2-3.4

1 7.18

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Fracture

Conchoidal

Uneven

Cleavage

None

Perfect on [001] imperfect on [100]

Mohs Hardness

5-6.53

2 10

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Chemical Composition

SiO₂ · nH₂O

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

Optical Properties

Luster

Vitreous, Pearly

Greasy, Pearly

Pleochroism

None

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

Dispersion

0.010.12

0.005 1

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Transparency

Transparent, Translucent, Transparent to translucent

Translucent

Refractive Index

1.37-1.521.678-1.758

1 3.25

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Optic Character

Crystal System

Trigonal

Triclinic

Birefringence

-99990.050

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

Creativity

Self-Reflection

Healing

Emotional healing

Spiritual healing

Qualities Associated

Creativity

Self-Reflection

Opal Vs Astrophyllite Fracture

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

Compare Semi Precious Gemstones

Opal Vs Schorlomite

Opal Vs Simpsonite

Opal Vs Spessartine

Opal Vs Astrophyllite Luster

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