Phosphosiderite and Augite Optical Properties

Phosphosiderite

Augite

Add ⊕

1 Optical Properties

1.1 Luster

Vitreous

Vitreous, Resinous

1.2 Pleochroism

Pale rose-red carmine-red colorlessAnthony et al

Pale green

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent

Transparent, Translucent

1.5 Refractive Index

1.692-1.7391.671-1.774

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c

1.8 Birefringence

0.240Not Available

0 0.296

1.9 Clarity

Transparent

Phosphosiderite and Augite Optic Character

Phosphosiderite and Augite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Phosphosiderite and Augite 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 Augite 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.

Compare Blue Gemstones

Phosphosiderite Vs Pyrophyllite

Phosphosiderite Vs Rock Crystal

Phosphosiderite Vs Precious Opal

Phosphosiderite and Augite Transparency

Similar to their colors, Phosphosiderite and Augite 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.