Tourmaline

Rock Crystal

Tourmaline Vs Rock Crystal

Tourmaline

Rock Crystal

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1 Astrology

1.1 Origin

Brazil, Madagascar, Zambia, Sri Lanka, Burma, Russia, USA, Afghanistan

Sri Lanka

1.2 Color

Green, Blue, Yellow, Red, Brown, White, Colorless, Blue, Red, Green, Yellow, pink

White, Colorless, Blue, Red, Green, Yellow, Violet

1.3 Streak

White

Not Available

1.4 For which Rashi?

Libra

Not Available

1.5 Planet

Venus, Mars

Not Available

1.6 Element of Planets

Water

Not Available

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Projective

Not Available

1.9 Deities

Venus

Not Available

1.10 Not to wear with

Not Available

1.11 Powers

Love, Courage

Not Available

1.12 Birthstone

1.12.1 Planetary

Not Available

1.12.2 Talisman

Not Available

2 Physical Properties

2.1 Tenacity

Not Available

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

2.85-3.352.65

1 7.18

2.5 Fracture

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)

2.6 Cleavage

Indistinct

Not Available

2.7 Mohs Hardness

7-7.57

2 10

2.8 Chemical Composition

Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.

SiO 2Walter Schumann , Gemstones of the world (2001)

3 Optical Properties

3.1 Luster

Vitreous

Not Available

3.2 Pleochroism

typically moderate to strong

AbsentWalter Schumann

3.3 Dispersion

0.020.01

0.007 1

3.4 Transparency

Transparent, Translucent, Transparent to opaque

TransparentWalter Schumann, Gemstones of the world (2001) More from other references

3.5 Refractive Index

1.614-1.6661.544-1.553

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Trigonal

Not Available

3.8 Birefringence

0.014-0.0400.009

0 0.296

3.9 Clarity

Transparent

TransparentWalter Schumann

4 Benefits

4.1 Physical

4.1.1 Neurological

Not Available

4.1.2 Cardiovascular

Not Available

4.1.3 Respiratory

Not Available

4.1.4 Reproductive

Not Available

4.1.5 Digestive

Not Available

4.2 Psychology

Not Available

4.3 Healing

Not Available

4.4 Qualities Associated

Not Available

Tourmaline Vs Rock Crystal Fracture

Fracture is an important parameter when you compare Tourmaline and Rock Crystal Physical Properties. It is necessary to understand the significance of these properties, before you compare Tourmaline Vs Rock Crystal 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 Tourmaline is Conchoidal, ConchoidalArthur Thomas, Gemstones (2009) and Uneven. Rock Crystal fracture is ConchoidalWalter Schumann, ConchoidalWalter Schumann, Gemstones of the world (2001) and Gemstones of the world (2001).

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Tourmaline Vs Rock Crystal Luster

A primary knowledge about Tourmaline vs Rock Crystal 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. Tourmaline exhibits Vitreous luster.