Montana Moss Agate tumbled

A variety of Montana Moss Agate

What is Montana Moss Agate tumbled?

Montana Moss Agate tumbled is a popular moss agate mined in Yellowstone River Valley, Montana, USA. This translucent agate can feature brownish-red bands or characteristic dendritic markings. This abundant material is primarily cut into cabochons, but it's also a favorite ring stone.

Optical Properties

Refractive Index
1.530-1.543
Birefringence
0.003-0.009
Pleochroism
None
Optical Character
Biaxial positive
Dispersion
0.013

Montana Moss Agate tumbled Market Value Calculator

Estimate the market value of Montana Moss Agate tumbled using size, quality, and finish. This preview calculator is for quick context and is not a formal appraisal.

Preview only. Full pricing comps and valuation report in the app.

Montana Moss Agate tumbled Localities Map

See where Montana Moss Agate tumbled is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.

Map preview
North ZoneCentral RidgeSouth Basin

Interactive map layers and collecting notes are available in the app.

Quick Facts

Physical Properties

Streak
Green

Chemical Properties

Chemical Formula
SiO2
Elements
Si, O
FREE APP
4.7
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