Geodes can be found all over the world. Areas with the most geodes, however, tend to be deserts, volcanic ash beds, or areas with plentiful limestone. In the United States, for example, you can find plenty of geodes in California, Arizona, New Mexico, Utah, Nevada, Iowa, Missouri, Illinois, Indiana, Kentucky, and Ohio.
Water and Sunlight. Basil plants are low-maintenance and do not require much care. What little care they require, however, is important to keeping the herb healthy and the foliage supple. Too much water, too little water and lack of sun will turn the basil leaf tips brown and cause them to curl. Basil -- whether growing indoors or out -- requires at least six hours of full sun to keep it healthy.
Doesn't look like blossom rot. I have three gypsy pepper plants (zone 3). The other day I noticed that two of the peppers had small and sunken brown spots on the end. I thought they were from a bit of sun scald, insect damage, or from the pepper rubbing on a nearby stem. Both peppers were touching another leaf stem near or on the brown area. The spots started out somewhat similar to this: