quartz crystal is recognized at the most important healing stone will act to clear and balance. A stone of mental clarity and focus it can be used to amplify thoughts and intentions. These beautiful little caves often have agate forming the outer layers of the cave. Microcrystalline quartz, agate is recognized to offer protection and will aid digestion and elimination. These caves are sometimes used as 'friendships' or 'love' pairs so if you fell inclined, you may wish to give one half to a special friend and it is said to no matter how far apart you will always share with a special connection to the person who holds the other half of your crystal.