Natrolite with Calcite
SOLD
Natrolite with Calcite
- Sold
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- Availability
- Sold
- Size
- 6.5 x 7 x 3.5 cm - Sm Cabinet
- Formula
- Na2(Si3Al2)O10·2H2O (RRUFF)
- Locality
- Aussig, Bohemia, Czech Republic
- Tagged
- zeolite
Fine pale pink needles of Natrolite in radial sprays completely covering matrix with rosettes of Calcite to 1cm. Nice antique piece!
This specimen comes with two labels, the oldest is a handwritten label from the collection of Fred Cassirer with a Prague address that dates the specimen being in his collecition between 1933 and 1937. Also, the number 2583 on the back of the piece matches both labels.
Antique Specimen
Natrolite
- Formula
- Na2(Si3Al2)O10·2H2O
- Crystal System
- Orthorhombic
- Crystal Habit
- Acicular, Prismatic, Nodular
- Cleavage
- Perfect, Imperfect, None
- Luster
- Vitreous - Silky
- Color
- white, colorless, red, yellowish white, reddish white
- Streak
- white
- Class
- Orthorhombic - Pyramidal
- Fracture
- Brittle
- Hardness
- 5.5-6
Data courtesy of Webmineral.
- Collection
- Phillips Collection
- Special Info
- Antique Specimen
Labels from the Fred Cassirer collection and unknown collection
- Mineralpedia
- View Natrolite
- On Dakota Matrix
- Previously Sold Natrolite
- On Dakota Matrix
- Other Available Natrolite
- WebMineral
- View Natrolite
- Mindat
- View Natrolite
