Combine first 6 ingredients in a large bowl and mix well.
Cut cold butter into small chunks and add to dry ingredients.
Cut butter with a pastry knife and mix well.
Mix together yogurt and cream, and fold into batter.
Gently toss in raspberries.
Mix dough well with a wooden spoon, making sure to scrape up as much dry ingredients (dough will be sticky and thick).
Roll out dough onto parchment paper into a large circular disk, approximately 3/4 inch thick.
Cut dough into small triangles, or cut with a biscuit cutter.
Bake scones for approximately 15-17 minutes until very lightly browned.
For the glaze, mix lemon juice with powdered sugar. A very small drizzle is perfect for these. Small scones.
Serve warm with butter or allow scones to cool and glaze.