Origin
Southern and central Africa
Mexico, USA, Canada, Madagascar, Spain, Russia, Sri Lanka, India, Burma, Origins: Mexico
Color
Black, Brownish, White, Brown
Yellow, Green, Blue, White, Red, Colorless, Violet, pink, Brown
Streak
Reddish, Black
White
For which Rashi?
-
Gemini
Element of Planets
-
Earth
Deities
-
Jupiter/Neptune
Specific Gravity
4.76-5.03
3.16-3.23
Fracture
Conchoidal
Conchoidal, Uneven, Conchoidal to uneven
Cleavage
None
[0001] indistinct, [1010] indistinct
Chemical Composition
(Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references
Pleochroism
-
Blue stones – strong
Transparency
Translucent
-
Refractive Index
-9999
1.628-1.651
Crystal System
-
Hexagonal
Birefringence
-9999
0.002-0.008
Clarity
Translucent
TransparentUlrich Henn and Claudio C. Milisenda
Neurological
-
Enhances communication and mental clarity
Cardiovascular
-
Enhances intuition and psychic abilities
Reproductive
-
Supports reproductive health
Digestive
-
Supports digestive health
Psychology
Insight
Motivation
Healing
-
Emotional healing
Qualities Associated
Grounding
Manifestation
Jacobsite Vs Apatite Fracture
Fracture is an important parameter when you compare Jacobsite and Apatite Physical Properties. It is necessary to understand the significance of these properties, before you compare Jacobsite Vs Apatite 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 Jacobsite is Conchoidal. Apatite fracture is Conchoidal, Uneven and Conchoidal to uneven.
Jacobsite Vs Apatite Luster
A primary knowledge about Jacobsite vs Apatite 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. Apatite, on other hand, exhibits Vitreous luster.