Will this melt in the sun?

Inside the sun, yes. In the sun on earth, no. If your are looking for something non toxic that melts below 90F, you want gallium (melting point 85.6F)

What's the purity of the metal?

The cube is 95% tungsten with nickel-iron for the remainder.

Why does the description say this only weighs 4.8 oz?

Hello, this item weighs 0.66lbs. We are unable to edit that shipping weight field, Amazon has entered it in error.

what is the measurement tolerance of the cube?

The cube is +/- 0.002" on all dimensions.

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🚀 Hold a piece of the future—dense, durable, and undeniably cool.

SAFE STYLISH - Rounded edges ensure a tactile, worry-free experience—no sharp surprises.
ROCKET GRADE DENSITY - Feel the power of tungsten used in race cars and rockets right in your palm.
EVERYDAY CARRY WONDER - Compact yet dense, this cube is the ultimate conversation starter for your EDC collection.
CERTIFIED AUTHENTICITY - Comes with a certificate of conformance and fascinating tungsten facts to impress your circle.
PERFECT DESK STATEMENT - A sleek, heavy cube that sparks curiosity and elevates your workspace vibe.

This 1" cube block is machined from aerospace-grade tungsten, weighing nearly 295 grams, making it one of the densest elements you can hold. Rounded edges ensure safe handling, and it includes a certificate of conformance plus an educational fact sheet. Ideal for professionals seeking a unique desk accessory or collectors wanting a tactile, scientifically fascinating piece.

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Educational Objective(s)	Color Recognition, Creative Thinking, Memory Skill
Model Number	893
Number of Puzzle Pieces	1
Assembly Required	No
Batteries Required	No
Batteries Included	No
Material Type(s)	Tungsten
Colour	grey
Product Dimensions	2.54 x 2.54 x 2.54 cm; 294.84 g
Item model number	893
Manufacturer	Midwest Tungsten Service
Country of Origin	USA
Item Weight	294 g

Midwest Tungsten Service Tungsten 1 Cube Block Weight, Kid

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