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On the Mohs scale of mineral hardness
a mineral within the quartz family
Color: Sodalite typically exhibits a rich royal blue color with white streaks or patches of calcite running through it
The mine has been referred to as the Blue Jay Mine for how its turquoise has maintained its color over time
Locality: Prieska Area
Septarian - Utah - 100 pounds Rough Stone On the Mohs scale ofLocality: Utah, USA Color: Septarian nodules often display a unique combination of colors, including shades of yellow, brown, gray, and occasionally white. Hardness: The hardness of septarian nodules varies depending on the minerals present in the concretion. Calcite, for example, has a hardness of around 3 on the Mohs scale, while aragonite is slightly harder at around 3. 5 to 4. Clarity: Septarian nodules typically have a relatively low clarity due
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