PT 77 Iridium Traditional Cache
Hidden : 8/11/2012
Difficulty:
1.5 out of 5
Terrain:
1.5 out of 5

Size: Size: small (small)

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Geocache Description:

Welcome to the periodic table of the elements powered trail. There will be 113 caches to each represent each element on the periodic table (until new elements are added).

For simplicity sake only elements approved by the “International Union of Pure and Applied Chemistry” will be included in this series.



Ruthenium, rhodium, palladium, osmium, iridium, and platinum together make up a group of elements referred to as the platinum group metals (PGM).

The name iridium is appropriate, for its salts are highly coloured. Iridium is white, similar to platinum, but with a slight yellowish cast. It is very hard and brittle, making it very hard to machine, form, or work. It is the most corrosion resistant metal known, and was used in making the standard metre bar of Paris, which is a 90% platinum-10% iridium alloy. This metre bar has since been replaced as a fundamental unit of length (see Krypton).Source: Webelements.

The cache containers are small tubes as shown in the picture below


These containers have only a logbook inside them and no pen/pencil. Please make sure to bring a pen.

This power trail starts at Mount Henry Bridge and continues south down the freeway cyclepath. This power trail is designed for bicycles or walkers and will be extremely hard, if not impossible for drivers. There is however a car park and a playground near the start.

Please stay safe and enjoy the power trail.

Additional Hints (No hints available.)



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