Topaz

Alexandrite

Topaz Vs Alexandrite

Topaz

Alexandrite

Add ⊕

1 Astrology

1.1 Origin

Brazil, Madagascar, Russia, USA, Mexico, Pakistan, brown, Yellow, Orange, Brazil, Sri Lanka, Pakistan, Russia, brown, Yellow, Orange, Brazil, Sri Lanka, Pakistan, Russia

Russia, Brazil, Tanzania, Madagascar, Zambia, Sri Lanka, Burma, India, Color: color change, from bluish green (daylight) to purple, red or brown (incandescent light), Hardness: 8, Refractive index: 1.74 1.77, Density: 3.68 3.80, Chemical composition: BeAl2O4, Crystal structure: orthorhombic, Origins: Russia, Brazil, Tanzania, Madagascar, Zambia, Sri Lanka, Burma

1.2 Color

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

Green

1.3 Streak

White

Not Available

1.4 For which Rashi?

Sagittarius

Scorpio

1.5 Planet

Sun

Venus

1.6 Element of Planets

Not Available

Earth

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Projective

Projective, Receptive

1.9 Deities

Not Available

1.10 Not to wear with

Not Available

1.11 Powers

Healing, Love, Money

Love

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

3.49-3.573.69-3.81

1 7.18

2.5 Fracture

Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle

Not Available

2.6 Cleavage

[001] Perfect

1,1 ; 3,2.

2.7 Mohs Hardness

88.5

2 10

2.8 Chemical Composition

Al₂SiO₄(F,OH)₂

BeAl ₂ O ₄

3 Optical Properties

3.1 Luster

Vitreous

3.2 Pleochroism

Weak

Not Available

3.3 Dispersion

0.01NA

0.007 1

3.4 Transparency

Transparent

Transparent, Transparent to nearly opaque

3.5 Refractive Index

1.606-1.6441.739-1.770

1 3.25

3.6 Optic Character

Not Available

Biaxial/+

3.7 Crystal System

Orthorhombic

3.8 Birefringence

0.008-0.0110.007-0.010

0 0.296

3.9 Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Transparent

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

Topaz Vs Alexandrite Fracture

Fracture is an important parameter when you compare Topaz and Alexandrite Physical Properties. It is necessary to understand the significance of these properties, before you compare Topaz Vs Alexandrite 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 Topaz is Brittle, ConchoidalArthur Thomas, Gemstones (2009), Subconchoidal and Uneven.

Compare Gems for Sagittarius

Topaz Vs Quartz Smoky

Topaz Vs Pietersite

Topaz Vs Petoskey Stone

Topaz Vs Alexandrite Luster

A primary knowledge about Topaz vs Alexandrite 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. Topaz exhibits Vitreous luster. Alexandrite, on other hand, exhibits Vitreous luster.