Pear Galettes with Spelt Crusts

Name: Pear Galettes with Spelt Crusts
Ingredients: For the spelt crust:; 6 ounces spelt flour; 6 ounces all-purpose flour; 1 teaspoon salt; 8 ounces unsalted butter; 6 to 8 tablespoons ice water; 1 tablespoon apple cider vinegar; For the pears:; 4 medium pears, ripe but still firm; 4 tablespoons sugar; 1 teaspoon lemon zest; 2 tablespoons lemon juice; 1 vanilla bean, seeds scraped; 1 teaspoon cinnamon; 1 teaspoon ginger; 1 pinch salt; 1/2 cup apricot jam; 1 egg, for egg wash; 2 tablespoons coarse sugar, to finish