Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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la Roche Maurice, Nantes, Nantes, Loire-Atlantique, Pays de la Loire, Francei
Regional Level Types
la Roche MauriceIndustrial Site (Inactive)
NantesCommune
NantesArrondissement
Loire-AtlantiqueDepartment
Pays de la LoireRegion
FranceCountry

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Latitude & Longitude (WGS84):
47° North , 1° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~9km
GRN:
N32W01
Type:
Industrial Site (Inactive) - last checked 2023
Deposit first discovered:
1917
Köppen climate type:
Cfb : Temperate oceanic climate
Mindat Locality ID:
439089
Long-form identifier:
mindat:1:2:439089:6
GUID (UUID V4):
0



Sands of the Loire river dredging in March 1964

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


1 valid mineral.

Detailed Mineral List:

ⓘ Vivianite
Formula: Fe2+Fe2+2(PO4)2 · 8H2O
References:
Collection Francois BARILLET Identification: Dealer/Collection Label

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 8 - Phosphates, Arsenates and Vanadates
ⓘVivianite8.CE.40Fe2+Fe2+2(PO4)2 · 8H2O

List of minerals for each chemical element

HHydrogen
Hⓘ VivianiteFe2+Fe22+(PO4)2 · 8H2O
OOxygen
Oⓘ VivianiteFe2+Fe22+(PO4)2 · 8H2O
PPhosphorus
Pⓘ VivianiteFe2+Fe22+(PO4)2 · 8H2O
FeIron
Feⓘ VivianiteFe2+Fe22+(PO4)2 · 8H2O

Other Regions, Features and Areas containing this locality

Eurasian Plate

This page contains all mineral locality references listed on mindat.org. 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 mindat.org 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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