×

Phosphosiderite
Phosphosiderite

Poldervaartite
Poldervaartite



ADD
Compare
X
Phosphosiderite
X
Poldervaartite

Phosphosiderite and Poldervaartite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
Pale rose-red carmine-red colorlessAnthony et al
Weak: colorless light gray bluish grayAnthony et al
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent
1.5 Refractive Index
1.692-1.7391.634-1.656
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
0.240Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Phosphosiderite and Poldervaartite Optic Character

Phosphosiderite and Poldervaartite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Phosphosiderite and Poldervaartite Physical Properties like crystallographic symmetry, pleochroism,etc. in the crystal. Some of the optical properties are refractive index, luster, optic character, pleochroism etc. Prominent among these is Phosphosiderite and Poldervaartite optic character. You might have noticed your gemologist rotating the gemstone while testing it. Rotating a gemstone along its optic axis helps in determining its optic character.

Phosphosiderite and Poldervaartite Transparency

Similar to their colors, Phosphosiderite and Poldervaartite transparency can also be used as criteria for their primary identification. Although transparency cannot be the only criteria for gemstone identification, it can efficiently used in gemstone grading. Talking about their transparency, Phosphosiderite is Transparent while Phosphosiderite is Transparent in appearance.