Preheat oven to 400º.
Line a cookie sheet with parchment paper.
Set aside.
In a large mixing bowl, place flour, granulated sugar, baking powder, baking soda and salt.
Stir or whisk well to combine ingredients.
Add cold butter and cut into mixture with a pastry blender until coarse crumbs form.
Add raspberries and stir gently to combine.
Measure out buttermilk in a small measuring cup.
Add almond extract and stir to combine.
Pour buttermilk mixture into flour mixture adding only enough to make a soft dough.
Transfer dough to a floured bread board and knead three or four times.
Pat dough into a 7-inch round about one to two inches thick.
Cut the dough into eighths.
Transfer the scones onto the parchment paper-lined cookie sheet.
Combine egg and cream in a small bowl with a whisk.
Brush each scone with egg/cream mixture.
Sprinkle remaining tablespoon granulated sugar or turbinado sugar over top of the scones.
Sprinkle sliced almonds over top.
Gently press almonds into the dough.
Bake at 400º for approximately 20-25 minutes, or until a toothpick inserted in center comes out clean.
Cool before adding glaze.
Add glaze and serve.