Origin
Brazil, Madagascar, Zambia, Sri Lanka, Burma, Russia, USA, Afghanistan
Southern and central Africa
Color
Green, Blue, Yellow, Red, Brown, White, Colorless, Blue, Red, Green, Yellow, pink
Blue, Colorless, White
For which Rashi?
Libra
Gemini, Virgo, Gemini, Virgo, Gemini, Virgo
Element of Planets
Water
Earth
Finger
Not Available
Not Available
Ring Metal
Not Available
Not Available
Energy
Projective
Not Available
Not to wear with
Not Available
Not Available
Powers
Love, Courage
Not Available
Planetary
Not Available
Not Available
Talisman
Not Available
Not Available
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.85-3.35
2.45-2.58
Fracture
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Mohs Hardness
7-7.5
3-3.5
Chemical Composition
Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
Ca 2B 5SiO 9(OH) 5Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Pleochroism
typically moderate to strong
NilArthur Thomas
Transparency
Transparent, Translucent, Transparent to opaque
Gemmological Tables (2004) More from other references
Refractive Index
1.614-1.666
1.583-1.608
Optic Character
Not Available
Not Available
Crystal System
Trigonal
monoclinic
Birefringence
0.014-0.040
0.019
Clarity
Transparent
Gemmological Tables (2004) More from other references
Neurological
Not Available
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Cardiovascular
Not Available
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Respiratory
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Reproductive
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Digestive
Not Available
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Psychology
Not Available
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Healing
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Qualities Associated
Not Available
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Tourmaline Vs Howlite Specifications
While buying, there is a common bewilderment that most of the buyers face. As you compare Tourmaline Vs Howlite specifications, it helps you to decide which gemstone suits your zodiac sign. Besides, the extent to which a gemstone benefits you can be understood after comparing Tourmaline and Howlite Astrology. Its highly necessary to have a basic knowledge of facts about Tourmaline and Howlite, before you finalize to buy one.
Tourmaline is known to regulate the influence of Mars and Venus planet.Tourmaline, that occurs commonly in Green, Blue, Yellow, Red, Brown, White, Colorless, Blue, Red, Green, Yellow, pink color, possesses Projective energy.Howlite, the unique gem is known to regulate the influence of Moon planet.