Sign Up Log In

Sign in with Facebook


Sign in with Geocaching

Forgot Username/Password

Mystery Cache


A cache by Iowa Tom
Hidden : 10/3/2007
In Iowa, United States
2 out of 5
1 out of 5

Size: Size: micro (micro)

Join now to view geocache location details. It's free!


How Geocaching Works

Related Web Page

Please note Use of services is subject to the terms and conditions in our disclaimer.

Geocache Description:

Cache is small. Tyvek log. Use a pen for writing [[and pushing]].

A Birefringent Puzzle

Find the coordinate for the cache.
Click on the picture.

Birefringence for Kids!
Look at my New Website Featuring Birefringent Ice!!

bi·re·frin·gence (br-frnjns)
The resolution or splitting of a light wave into two unequally reflected or transmitted waves by an optically anisotropic medium such as calcite or quartz. Also called double refraction.

Click on the picture above to go to my gallery of birefringent ice images.

Additional Hints (Decrypt)

Gur pnpur pbagnvare vf cerggl uneq gb oernx, fb qba'g jbeel gbb zhpu.

Decryption Key


(letter above equals below, and vice versa)

Advertising with Us


There are no Trackables in this cache.



53 Logged Visits

Found it 43     Didn't find it 2     Write note 6     Publish Listing 1     Owner Maintenance 1     

View Logbook | View the Image Gallery of 6 images

**Warning! Spoilers may be included in the descriptions or links.

Current Time:
Last Updated: on 3/19/2015 11:11:00 AM Pacific Daylight Time (6:11 PM GMT)
Rendered From:Unknown
Coordinates are in the WGS84 datum