Using 瑞士的瑞 to address the character 瑞 Since I'm not a native chinese, I need to confirm this with one.

For the character 瑞 would it be awkward if I refer to / address it when spelling a word to another person using 瑞士的瑞 ---> "Switzerland's Ruì" ? 

瑞士 has the highest rank of frequent word that has the character 瑞 in it..

Please CMIIW
Not awkward at all. It is in fact a common way to refer to 瑞. Another option is using 瑞雪兆丰年的瑞.