Gahnospinel Vs Phosphosiderite
Origin
Sri Lanka
  
USA
  
Color
Blue
  
Red, Reddish, Violet, Blue, Green, Colorless, pink
  
Streak
Not Available
  
White
  
For which Rashi?
Sagittarius, Scorpio
  
Not Available
  
Planet
Pluto
  
Not Available
  
Element of Planets
Not Available
  
Not Available
  
How to Wear?
  
  
Finger
Not Available
  
Not Available
  
Ring Metal
Not Available
  
Not Available
  
Energy
Projective
  
Not Available
  
Deities
Hephaestus
  
Not Available
  
Not to wear with
Not Available
  
Not Available
  
Powers
Money
  
Not Available
  
Birthstone
  
  
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
3.65-4.55
  
2.74-2.76
  
Fracture
ConchoidalArthur Thomas, Gemstones (2009)
  
UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Uneven
  
Cleavage
None, but may exhibit slight parting
  
{010} Perfect, {001} Distinct
  
Mohs Hardness
7.5-8
  
3.5-4
  
Chemical Composition
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
  
Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)
  
Luster
Vitreous
  
Vitreous
  
Pleochroism
AbsentWalter Schumann
  
Pale rose-red carmine-red colorlessAnthony et al
  
Dispersion
Not Available
  
Not Available
  
Transparency
Gemmological Tables (2004)
  
Transparent
  
Refractive Index
1.735-1.790
  
1.692-1.739
  
Optic Character
Not Available
  
Not Available
  
Crystal System
Isometric
  
Not Available
  
Birefringence
Not Available
  
0.240
  
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
  
Transparent
  
Physical
  
  
Neurological
Not Available
  
Not Available
  
Cardiovascular
Not Available
  
Not Available
  
Respiratory
Not Available
  
Not Available
  
Reproductive
Not Available
  
Not Available
  
Digestive
Not Available
  
Not Available
  
Psychology
Not Available
  
Not Available
  
Healing
Not Available
  
Not Available
  
Qualities Associated
Not Available
  
Not Available
  
Gahnospinel Vs Phosphosiderite Fracture
Fracture is an important parameter when you compare Gahnospinel and Phosphosiderite Physical Properties. It is necessary to understand the significance of these properties, before you compare Gahnospinel Vs Phosphosiderite 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 Gahnospinel is ConchoidalArthur Thomas and Gemstones (2009). Phosphosiderite fracture is Handbook of mineralogy (2001), Handbook of mineralogy (2001), Uneven, UnevenAnthony et al and UnevenAnthony et al.
Gahnospinel Vs Phosphosiderite Luster
A primary knowledge about Gahnospinel vs Phosphosiderite 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. Gahnospinel exhibits Vitreous luster. Phosphosiderite, on other hand, exhibits Vitreous luster.