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Iolite
Iolite

Siderite
Siderite



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Iolite
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Siderite

Iolite Vs Siderite

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Astrology

Origin

Brazil, USA, Canada, Madagascar, Sri Lanka, India, Burma
Brazil

Color

Blue, Violet, Yellow, Grey
Yellow, Brown, gray, Greenish

Streak

-
White

For which Rashi?

Libra, Sagittarius, Taurus
-

Planet

Jupiter
-

Element of Planets

Water
-

Energy

-
-

How to Wear?

Finger

-
-

Ring Metal

-
-

Deities

-
-

Not to wear with

-
-

Powers

-
-

Birthstone

Planetary

-
-

Talisman

-
-

Physical Properties

Tenacity

-
Brittle

Solubility

-
-

Durability

-
-

Specific Gravity

2.6-2.73.83-3.89
1 7.18
👆🏻

Fracture

-
Uneven, Conchoidal

Cleavage

3,1
Perfect on {01 1 1}

Mohs Hardness

7-7.53.5-4.5
2 10
👆🏻

Chemical Composition

Mg2Al4Si5O18
Fe2+ CO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Optical Properties

Luster

Vitreous
Pearly

Pleochroism

-
-

Dispersion

0.020.04
0.005 1
👆🏻

Transparency

Transparent, Translucent, Transparent to translucent
Transparent, Translucent

Refractive Index

1.52-1.561.633-1.875
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Trigonal

Birefringence

-99990.242
0 0.296
👆🏻

Clarity

Transparent to translucent
Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus
-

Cardiovascular

Supports heart health
-

Respiratory

Excellent
Good

Reproductive

-
-

Digestive

Supports digestive health
-

Psychology

Intuition
Confidence

Healing

Emotional healing
Emotional healing

Qualities Associated

Intuition
Grounding

Iolite Vs Siderite Fracture

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

Iolite Vs Siderite Luster

A primary knowledge about Iolite vs Siderite 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. Iolite exhibits Vitreous luster. Siderite, on other hand, exhibits Pearly luster.