Although loam is a combination of sand, silt and clay, adding sand to your clay soil, or vice versa, will not create loam. Doing so will result in something like cement.
According to Merriam-Webster, family values are values especially of a traditional or conservative kind which are held to promote the sound functioning of the family and to strengthen the fabric of society.
Write a mission statement. Once you have reflected on your values and discussed them with your family, you should have a good idea of how to define your family values. One way to solidify them is to write a mission statement. This is a document that indicates what your family values and can also include goals.