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Genthelvite Natrolite Kupletskite Polylithionite Catapleiite & Albite

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SYM187656

Genthelvite Natrolite Kupletskite Polylithionite Catapleiite & Albite

Rare Mineral

Description Tabs

Description
Locality: 
Poudrette Quarry, Mont Saint-Hilaire, Québec, Canada
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 2.5 × 2.5 cm
Description

This specimen has many dozens to hundreds of the following specimens; light yellow genthelvite crystals, dark brown prismatic crystals of kupletskite, natrolite, polylithionite, catapleiite on albite. Genthelvite fluoresces green under both short and long wave light.

Mineral Data
What's on the rock

Genthelvite

Formula: 
Zn4(Be3Si3O12)S
Strunz: 
9.FB.10
Hardness: 
6.0 - 6.5
Type Locality: 
West Cheyenne Canon, Cheyenne District (St. Peters Dome District), El Paso Co., Colorado, USA

Natrolite

Formula: 
Na2Al2Si3O10·2H2O
Strunz: 
9.GA.05
Hardness: 
5.0 - 5.5
Streak: 
White
Type Locality: 
Hohentwiel, Singen, Hegau, Baden-Württemberg, Germany

Kupletskite

Formula: 
(K,Na)3(Mn,Fe)7Ti2Si8O26(OH)4F
Strunz: 
9.DC.05
Crystal System: 
Triclinic
Hardness: 
4.0
Streak: 
Brown
Type Locality: 
Kuivchorr Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia...

Polylithionite

Formula: 
KLi2Al(Si4O10)(F,OH)2
Strunz: 
9.EC.20
Hardness: 
2.0 - 3.0
Type Locality: 
Kangerluarsuk Fjord (Kangerdluarssuq Fjord), Ilímaussaq complex, Narsaq, Kujalleq, Greenland

Catapleiite

Formula: 
Na2Zr(Si3O9)·2H2O
Strunz: 
9.CA.15
Crystal System: 
Hexagonal
Hardness: 
5.5 - 6.0
Type Locality: 
Låven (Skådön; Lamö; Lamanskjaer), Langesundsfjorden, Larvik, Vestfold, Norway

Albite

Formula: 
NaAlSi3O8
Strunz: 
9.FA.35
Crystal System: 
Triclinic
Hardness: 
6.0 - 6.5
Streak: 
White
Type Locality: 
Finnbo (Finbo), Falun, Dalarna, Sweden