Cordierite Iolite

Astrophyllite

Cordierite Iolite Vs Astrophyllite

Cordierite Iolite

Astrophyllite

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Astrology

Origin

Canada, Madagascar, Southern and central Africa, Sri Lanka, USA

Canada, Russia

Color

Violet, Blue

Brown, Yellow, Greenish, Brownish, Red

Streak

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

Solubility

Durability

Specific Gravity

2.56-2.663.2-3.4

1 7.18

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Fracture

Uneven, ConchoidalWalter Schumann

Uneven

Cleavage

Distinct

Perfect on [001] imperfect on [100]

Mohs Hardness

7-7.53

2 10

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Chemical Composition

Mg 2Al 4Si 5O 18Ulrich 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 trichroism: colorless to yellowish

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

Dispersion

0.020.12

0.005 1

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Transparency

Transparent

Translucent

Refractive Index

1.542-1.5781.678-1.758

1 3.25

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Optic Character

Biaxial/+

Crystal System

Triclinic

Birefringence

0.008-0.0120.050

0 0.296

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Clarity

Transparent

Translucent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Supports heart health

Respiratory

Good

Excellent

Reproductive

Digestive

Psychology

Inner vision

Self-Reflection

Healing

Emotional healing

Spiritual healing

Qualities Associated

Intuition

Self-Reflection

Cordierite Iolite Vs Astrophyllite Fracture

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

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Cordierite Iolite Vs Astrophyllite Luster

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