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Cap Diamant, Quebec City (Agglomération de Québec), Capitale-Nationale, Québec, Canadai
Regional Level Types
Cap Diamant- not defined -
Quebec City (Agglomération de Québec)City
Capitale-NationaleAdministrative Region

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Latitude & Longitude (WGS84):
46° 48' 22'' North , 71° 12' 25'' West
Latitude & Longitude (decimal):
Nearest Settlements:
Québec528,595 (2018)0.9km
Lévis126,396 (2018)2.2km
L'Ancienne-Lorette16,516 (2010)11.1km
Breakeyville5,000 (2016)14.0km
La Haute-Saint-Charles74,070 (2018)15.7km

Historically important mineral locality. The first documented mineral locality in Canada found during the second North American voyage of Jacques Cartier in 1535. Quartz crystals similar to the well known Herkimer "diamonds" were collected from the cliffs, above Vieux Québec by the crew of Cartier. These were carried back to France and were believed to be diamonds, there experts identified them as quartz crystals. The cliffs still bear the name Cap Diamant given by Cartier.

Regions containing this locality

North America PlateTectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

3 valid minerals.

Detailed Mineral List:

Reference: Horváth collection
Formula: CaCO3
Reference: Fredric A Schuster COLLECTION
Formula: SiO2
Reference: Horváth collection
Quartz var: "Herkimer-style" Quartz
Formula: SiO2
Reference: Horváth (2003) Mineral species discovered in Canada and species named after Canadians. Canadian Mineralogist SP6.
Formula: SrCO3
Reference: Horváth collection

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
var: "Herkimer-style" Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Unclassified Minerals, Rocks, etc.

List of minerals arranged by Dana 8th Edition classification

Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Unclassified Minerals, Mixtures, etc.
var: "Herkimer-style" Quartz

List of minerals for each chemical element

C StrontianiteSrCO3
C CalciteCaCO3
O QuartzSiO2
O StrontianiteSrCO3
O CalciteCaCO3
O Quartz (var: "Herkimer-style" Quartz)SiO2
Si QuartzSiO2
Si Quartz (var: "Herkimer-style" Quartz)SiO2
Ca CalciteCaCO3
Sr StrontianiteSrCO3


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Horváth (2003) Mineral species discovered in Canada and species named after Canadians. Canadian Mineralogist SP6.

This page contains all mineral locality references listed on This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.
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