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McKenna vivianite occurrence, Pierce County, Washington, USAi
Regional Level Types
McKenna vivianite occurrenceOccurrence
Pierce CountyCounty
WashingtonState
USACountry

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PhotosMapsSearch
08578250017691964329484.jpg
Vivianite

McKenna vivianite occurrence, Pierce County, Washington, USA
03744900017691964704773.png
Vivianite

McKenna vivianite occurrence, Pierce County, Washington, USA
08578250017691964329484.jpg
Vivianite

McKenna vivianite occurrence, Pierce County, Washington, USA
03744900017691964704773.png
Vivianite

McKenna vivianite occurrence, Pierce County, Washington, USA
01273370017691964339935.jpg
Vivianite

McKenna vivianite occurrence, Pierce County, Washington, USA
03744900017691964704773.png
Vivianite

McKenna vivianite occurrence, Pierce County, Washington, USA
Latitude & Longitude (WGS84):
47° North , 122° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~65km
GRN:
N32W61
Type:
Occurrence
Köppen climate type:
Csb : Warm-summer Mediterranean climate
Mindat Locality ID:
469782
Long-form identifier:
mindat:1:2:469782:7
GUID (UUID V4):
0


As-yet (Jan 2026) unlocated locality for vivianite nodules labelled "McKenna, WA" dating back to at least 1937. Ward's Scientific sold them at that time.

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:
Identified from specimens visuallyIdentified by Jolyon Ralph: Visual Identification

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

North AmericaContinent
North America PlateTectonic Plate

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