Feldspar Twinning: @ least 7 types of twinning are exhibited by feldsparsFeldspar frequently exhibits phase changes in what may appear externallyas a single crystal but actually represents two or more individuals.
Pickets. 1  Width: Pickets usually are between 2-4 inches and can be as wide as 5 inches. 2  Style: As you can see from our photos, pickets come in a variety of styles. 3  Spacing: The general rule of thumb for thinner pickets is that the space between them is equal to the width of a board (picket).ur picket fence pictures and ideas will help you choose the perfect combination of fence material, location, and look you want for your yard. Integrate your picket fence with your front porch, walkways, and home. Bet you will want to install a fence right away.
Watch video of this step. With the posts set, cut 2x4s into twelve 8-foot lengths for horizontal fence rails that will support the pickets. From the base of each post, measure up 12 inches for the lower rail and 36 inches for the top rail. Make a mark at 90 degrees on the back of the posts (image 1).