Formula: Na₁₅Ca₆(Fe,Mn)₃Zr₃[Si₂₅O₇₃](O,OH,H₂O)₃(OH,Cl)₂
Mineral class: silicates
Crystal system: trigonal
Mohs scale: 5 - 5.5
Density (g/cm³): 2.8 - 3.1
Cleavage: different
Colors: yellowish, orange, reddish, brownish, violet, green
Luster: vitreous - dull
Fluorescence: -
Pleochroism: -
Largest Eudialyte: 10 cm?
Deposits: worldwide
Discovery: 1819
1st Description: 1892

Eudialyte Mineral

Origin: Kukisvumchorr Mt. / Kola Peninsula / Murmanskaja Oblast / Russia

Photo by kind permission of © www.irocks.com, Dr. Robert Lavinsky.

Eudialyte Mineral

Origin: Putelichorr / Khibiny Massif / Kola Peninsula / Russia

Photo by kind permission of © www.irocks.com, Dr. Robert Lavinsky.

Eudialyte Mineral

Size: Micromount

Origin: Poudrette Quarry / Mont Saint-Hilaire / Rouville County / Quebec / Canada

Photo by kind permission of © Stephan Wolfsried.

Eudialyte

Photo by kind permission of © http://rock-logic.tripod.com, Alexandra Woodmansee.

Eudialyte Mineral

Size: Micromount

Origin: Poudrette Quarry / Mont Saint-Hilaire / Rouville County / Quebec / Canada

Photo by kind permission of © Stephan Wolfsried.

Eudialyte Mineral

Size: Micromount

Origin: Poudrette Quarry / Mont Saint-Hilaire / Rouville County / Quebec / Canada

Photo by kind permission of © Saul Krotki.

Eudialyte

Origin: Poudrette Quarry / Mont Saint-Hilaire / Rouville County / Quebec / Canada

Weight: 0.06 ct

Photo by kind permission of © www.irocks.com, Dr. Robert Lavinsky.

Eudialyte

Weight: 58.00 ct

Origin: Russia

Photo by kind permission of © www.gemfrance.com, Dr. Laurent Sikirdji.