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Yellowstone River, Custer Co., Montana, USAi
Regional Level Types
Yellowstone RiverRiver
Custer Co.County

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Latitude & Longitude (WGS84):
46° North , 105° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
Locality type:
Name(s) in local language(s):
Yellowstone River, Custer Co., Montana, USA

Montana Moss Agate

Select Mineral List Type

Standard Detailed Gallery Strunz Dana Chemical Elements

Mineral List

1 valid mineral.

Detailed Mineral List:

'Petrified Wood'
Reference: "The River Runs North" - A Story of Montana Moss Agate by Tom Harmon (author)
Formula: SiO2
Reference: "The River Runs North" - A Story of Montana Moss Agate by Tom Harmon (author)
Quartz var. Chalcedony
Formula: SiO2
Description: var. Moss Agate
Reference: "The River Runs North" - A Story of Montana Moss Agate by Tom Harmon (author)
Quartz var. Jasper
Reference: "The River Runs North" - A Story of Montana Moss Agate by Tom Harmon (author)
Quartz var. Moss Agate
Formula: SiO2
Reference: The River Runs North - the Story of Montana Moss Agate by Tom Harmon (author)

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
var. Chalcedony4.DA.05SiO2
var. Jasper4.DA.05SiO2
var. Moss Agate4.DA.05SiO2
Unclassified Minerals, Rocks, etc.
'Petrified Wood'-

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.
'Petrified Wood'-
var. Chalcedony
var. Jasper-SiO2
var. Moss Agate-SiO2

List of minerals for each chemical element

O Quartz var. Moss AgateSiO2
O Quartz var. ChalcedonySiO2
O QuartzSiO2
Si Quartz var. Moss AgateSiO2
Si Quartz var. ChalcedonySiO2
Si QuartzSiO2

Other Regions, Features and Areas containing this locality

North America PlateTectonic Plate

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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