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Bastnäsite & Analcime

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SYM856529

Bastnäsite & Analcime

Rare Mineral

Description Tabs

Description
Locality: 
Poudrette Quarry, Mont Saint-Hilaire, Québec, Canada
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 1.3 × 0.5 cm
Description

Rich specimen of light orange crystals of bastnasite crystals on matrix. 

Mineral Data
What's on the rock

Bastnäsite

Synonym Of: 

Bastnäsite-(Ce)

Formula: 
(Ce,La)(CO3)F
Strunz: 
5.BD.20a
Hardness: 
4.0 - 4.5

Bastnäsite-(La)

Formula: 
(La,Ce)(CO3)F
Strunz: 
5.BD.20a
Hardness: 
4.0 - 5.0

Bastnäsite-(Nd)

Formula: 
Nd(CO3)F
Strunz: 
5.BD.20a
Hardness: 
4.0 - 4.5

Bastnäsite-(Y)

Formula: 
(Y,Ce)(CO3)F
Strunz: 
5.BD.20a
Hardness: 
4.0 - 4.5

Analcime

Formula: 
Na2(Al2Si4O12)·2H2O
Strunz: 
9.GB.05
Crystal System: 
Triclinic
Hardness: 
5.0 - 5.5
Streak: 
White
Type Locality: 
Cyclopean Islands, Acitrezza (Aci Trezza), Etna Volcanic Complex, Catania Province, Sicily, Italy