Fedorite with Charoite and Aegerine
SOLD
Fedorite with Charoite and Aegerine
- Sold
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- Availability
- Sold
- Size
- 9 x 4.5 x 3 cm - Sm Cabinet
- Formula
- (K,Na)2.5(Ca,Na)7Si16O38(OH,F)2·3.5H2O (RRUFF)
- Locality
- Murunskii Massif, Chara & Tokko Rivers, Aldan Shield, Saha, Siberia, Russia
This specimen has pearly crystal plates of Fedorite with great coverage. Fedorite is micaceous with perfect basal cleavage {001} and is a phyllosilicate, although it is not a mica group member. The plates can be split along the cleavage planes easily, but are not flexible as the literature suggest. Associated minerals include Charoite (purple) and Aegerine, which are shown in the photos as radial greaan sprays.
This is a fine specimen for those of you who enjoy study alkali igneous deposits. It is named to honor the achievements of a great Russian mineralogist Evgraf S. Fedorov, one of the founders of modern crystallography.
Fedorite
- Formula
- (K,Na)2.5(Ca,Na)7Si16O38(OH,F)2·3.5H2O
- Crystal System
- Triclinic
- Crystal Habit
- Tabular, Pseudo Hexagonal
- Cleavage
- Perfect, None, None
- Luster
- Vitreous (Glassy)
- Color
- colorless, light red, pearl white
- Streak
- white
- Class
- Triclinic - Pinacoidal
- Hardness
- -
Data courtesy of Webmineral.
- Collection
- McConlogue Collection
- Mineralpedia
- View Fedorite
- On Dakota Matrix
- Previously Sold Fedorite
- On Dakota Matrix
- Other Available Fedorite
- WebMineral
- View Fedorite
- Mindat
- View Fedorite
