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Epididymite Ancylite & Calcite

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SYM193795

Epididymite Ancylite & Calcite

Rare Mineral

Description Tabs

Description
Locality: 
Poudrette Quarry, Mont Saint-Hilaire, Québec, Canada
Size Range: 
Thumbnail (1-3cm)
Size: 
1.5 × 1.5 × 0.6 cm
Description

Two large blocky, with a small white epididymite crystals with small greyish sprays of ancylite and greenish calcite crystals.

Mineral Data
What's on the rock

Epididymite

Formula: 
Na2Be2Si6O15·H2O
Strunz: 
9.DG.55
Crystal System: 
Orthorhombic
Hardness: 
5.5
Type Locality: 
Narsaarsuk pegmatite (Narssârssuk pegmatite), Narsaarsuk Plateau, Igaliku (Igaliko), Narsaq, Kujalleq, Greenland

Ancylite

Synonym Of: 

Ancylite-(Ce)

Formula: 
SrCe(CO3)2(OH)·H2O
Strunz: 
5.DC.05
Hardness: 
4.0 - 4.5

Ancylite-(La)

Formula: 
Sr(La,Ce)(CO3)2(OH)·H2O
Strunz: 
5.DC.05
Hardness: 
4.0 - 4.5

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White