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Clear acrylic cube displaying a Roentgenium element (Atomic Number 111) embedded within, offering a scientific presentation for collectors and science enthusiasts.

Engineered Labs

4.5 (123)

Roentgenium Element Cube

Name: Engineered Labs Roentgenium Element Cube - Roentgenium Element Cube
Brand: Engineered Labs
SKU: 40858740949190
Price: 53.55 USD
Availability: InStock
Rating: 5 (1 reviews)

4.5 (1,234)

Sold 100+ last 30 days

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$53.55

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Black

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Roentgenium's atomic number is 111 and its symbol is Rg. It is an extremely radioactive synthetic element that can be created in a laboratory but is not found in nature. The most stable known isotope, roentgenium-282, has a half-life of 100...

Reviews

5.0

1 rating

Great quality. Solid weighted cube. Did not look or feel cheap, which was my main concern. My name happens to be Rg and spelled exactly like the element Rg with upper and lower case letters. Was a great Xmas gift

Rg · January 2, 2026