Description: This listing is for YOUR CHOICE of the Psilomelane crystal mineral specimens from California pictured. You will receive the EXACT specimen of your choice. These black manganese ore minerals would make a great gift for a rockhound or a loved one or as a great addition to your collection. Measurements: 1: 3.5x2.5x1" - 289 g 2: 5.5x3x2.5" - 931 g 3: 5x5x4" - 886 g 5: 3x3x2" - 245 g 7: 5x4x3" 734 g 8: 4x4x1.5" - 700 g 9: 4x3x1" - 235 g 10: 3x2.5x1.5" - 111 g 11: 3x3x2" - 461g PSILOMELANE PROPERTIES: Psilomelane is a group name for hard black manganese oxides including hollandite and romanechite. Psilomelane consists of hydrous manganese oxide with variable amounts of barium and potassium. Color: Black with gray pyrolusite bands Crystal habit: Botryoidal, mammillary, reniform Crystal system: Monoclinic Formula mass: 590.03 g/mol Fracture: Conchoidal and uneven Luster: Sub-metallic, dull Mohs scale hardness: 5.0 – 6.0 Courtesy of Wikipedia Track Page Views WithAuctiva's Counter
Price: 7.04 USD
Location: Yucca Valley, California
End Time: 2024-11-28T22:54:38.000Z
Shipping Cost: 8.25 USD
Product Images
Item Specifics
Return shipping will be paid by: Buyer
All returns accepted: Returns Accepted
Item must be returned within: 30 Days
Refund will be given as: Money back or replacement (buyer's choice)
Brand: Rocksology
Shape: Natural
Country/Region of Manufacture: United States
Modified Item: No
Available Variations
Color: 1: 3.5x2.5x1" - 289 g
Price: 13.2 USD
Available Quantity: 1
Quantity Sold: 0
Color: 2: 5.5x3x2.5" - 931 g
Price: 35.19 USD
Available Quantity: 1
Quantity Sold: 0
Color: 3: 5x5x4" - 886 g
Price: 30.8 USD
Available Quantity: 1
Quantity Sold: 0
Color: 5: 3x3x2" - 245 g
Price: 10.56 USD
Available Quantity: 1
Quantity Sold: 0
Color: 7: 5x4x3" 734 g
Price: 22 USD
Available Quantity: 1
Quantity Sold: 0
Color: 8: 4x4x1.5" - 700 g
Price: 22 USD
Available Quantity: 1
Quantity Sold: 0
Color: 10: 3x2.5x1.5" - 111 g
Price: 7.04 USD
Available Quantity: 1
Quantity Sold: 0
Color: 11: 3x3x2" - 461g
Price: 15.84 USD
Available Quantity: 1
Quantity Sold: 0
