Mineralpedia Details for Eudialyte
Eudialyte
- Formula
- Na15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2
- Crystal System
- Trigonal
- Crystal Habit
- Massive - Granular, Tabular
- Cleavage
- Imperfect, None, None
- Luster
- Vitreous (Glassy)
- Color
- pinkish red, red, yellow, yellowish brown, violet
- Streak
- white
- Class
- Trigonal - Hexagonal Scalenohedral
- Fracture
- Uneven
- Hardness
- 5-5.5
- WebMineral
- View Eudialyte
- Mindat
- View Eudialyte
Eudialyte from Norra Kärr, Gränna, Jönköping, Småland, Sweden
Large massive, but coarse crystalline rock with lage grains of red Eudialyte and dark green amphibole or horneblende amongst other minerals including light brown Rosenbuschite.
Large red crystal grains to 2cm across in a matrix of "torendrikite" or Magnesio-riebeckite as deep green to black prismatic crystals in matrix.
Eudialyte from Khibiny Massif, Kola Peninsula, Russia
A 1cm deep red crystalline mass in green Aegerine.
Eudialyte from Poudrette quarry, Mont Saint-Hilaire, Montérégie, Québec, Canada
Deep red crystal grains to 6mm in dark green Nepheline.
Eudialyte from Point of Rocks quarry, Colfax Co., New Mexico, United States
Excellent, sharp, pink and glassy Eudialyte crystals to less than 0.75mm with several other minerals including plates of Polylithionite, black acicular Aegerine, and fibrous brown Lorenzenite.
Also: Very nice, glassy pink, Eudialyte crystals to 1mm with purple crystals of Villiaumite and Lorenzenite.
Eudialyte from Kipawa alkaline complex, Quebec, Canada
Red Eudialyte as large tabular crystals to 2cm with coarse Magnesio-arfvedsonite & Albite.
Eudialyte from Ilimaussaq complex, Narsaq, Kitaa prov., Greenland
A 2.5cm deep red Eudialyte crystal perched nicely on matrix with several smaller. By all accounts it is a good specimen.
Eudialyte from Kangerluarsuk Fjord, Ilímaussaq complex, Kujalleq, Greenland
A single dark red crystal.
