Phosphosiderite and Inderite Optical Properties

Phosphosiderite

Inderite

Add ⊕

1 Optical Properties

1.1 Luster

Vitreous

Vitreous, Pearly, Greasy

1.2 Pleochroism

Pale rose-red carmine-red colorlessAnthony et al

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent

Gemmological Tables (2004)

1.5 Refractive Index

1.692-1.7391.488-1.505

1 3.25

1.6 Optic Character

Not Available

Biaxial/+

1.7 Crystal System

Not Available

Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a

1.8 Birefringence

0.2400.017

0 0.296

1.9 Clarity

Transparent

TransparentUlrich Henn and Claudio C. Milisenda

Phosphosiderite and Inderite Optic Character

Phosphosiderite and Inderite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Phosphosiderite and Inderite 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 Inderite 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. Inderite has Biaxial/+ character.

Compare Blue Gemstones

Phosphosiderite Vs Precious Opal

Phosphosiderite Vs Rock Crystal

Phosphosiderite Vs Pyrophyllite

Phosphosiderite and Inderite Transparency

Similar to their colors, Phosphosiderite and Inderite 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.