Phosphosiderite and Hureaulite Optical Properties

Phosphosiderite

Hureaulite

Add ⊕

1 Optical Properties

1.1 Luster

Vitreous

Vitreous, Greasy

1.2 Pleochroism

Pale rose-red carmine-red colorlessAnthony et al

Colorless yellow to pale rose reddish yellow to reddish brown.Anthony et al

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent

1.5 Refractive Index

1.692-1.7391.647-1.667

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

0.2400.012

0 0.296

1.9 Clarity

Transparent

Phosphosiderite and Hureaulite Optic Character

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

Similar to their colors, Phosphosiderite and Hureaulite 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.