Lac Ste Marie, La Vallee-de-la-Gatineau, Outaouais, Quebec
Size: 4.6x1.5x1.5 cm


Light green/blue fluorapatite crystal, doubly terminated with great form. A nice floater crystal!

During the Grenvillian orogeny these rocks had undergone intense deformation and intense metamorphism where calcitic marbles now dominate the lithology. Metasomatic reaction zones developed at the contacts of calcitic marbles and silicate rocks, causing remobilized carbonates with higher than usual quantities of fluorapatite to be injected into country rocks. Blue apatite or green is generally associated with calcite and the crystals are disseminated in clusters.*

*Géologie de la région du lac Sainte-Marie - Comté de Gatineau Cette étude s'est effectuée en coopération avec l'INRS-Géoressources. By Louise Langlais

Read the full report on the Lac Sainte-Marie area here (you may need to use google translate):  https://gq.mines.gouv.qc.ca/documents/examine/MB9351/MB9351.pdf

Note: All prices are in Canadian dollars (CAD). International customers are charged in CAD, exchange rate is calculated automatically by your bank/paypal upon checkout.

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