Hint: Both Spice rub and Glaze can be made ahead. Store spice rub in a container at room temperature. Store glaze in fridge for a week or more.
SPICE RUB:
Mix all ingredients in small bowl.
GLAZE:
Mix first 8 ingredients in small saucepan. Bring to boil over medium heat, whisking until smooth.
Cool to room temperature.
Meat:
Preheat barbecue. Rub pork chops with generous amount of spice mix (about 1/2 tbs per side), pressing to adhere.
Place pork chops on grill; reduce heat to medium. Barbecue about 5 mins per side, brushing generously with glaze.