Iridium's properties make it important for specific technical purposes rather than everyday use.

Technical Uses

Iridium is precious and expensive, often signifying premium quality in its applications.

High Value

Iridium's high melting point makes it suitable for extreme temperatures, beyond other metals.

Heat Resistance

 and not just iridium is filled with glassy cereals and has filled the quartz grains that have been subjected to enormous pressure shock quartz now in this life the white is chalk and this chalk was deposited in a warm ocean the chalk itself is composed by plankton which has fallen down from the sea

Earth's mass extinction...

 responsible for the mass extinction but that in itself raised another question where's the crater scientists dug further into the layer of iridium for answers the real P clue was while it's only a centimeter thick layer in most of the world as you approach the Gulf of

Why the Dinosaurs’...

 such quantities are extremely rare on earth and usually come from outer space so soon we should find 10,000 times more iridium at the very moment when the dinosaurs disappeared you know somewhere on earth a very big impact must have

What Really Killed The...

 And the first paper is a standard scientific paper, presenting evidence, "Iridium layer at the K-T boundary, and potassium argon dated crater in Yucatan, indicate that an asteroid killed the dinosaurs."