Words to Describe intermetallics

How intermetallics often is described ("________ intermetallics")

• rare
• earth
• most
• temperature
• type
• various
• many
• hard
• several
• containing
• primary
• ternary
• brittle
• monolithic
• based
• stable
• interfacial
• excessive
• cubic
• eutectic
• undesirable
• metal
• fine
• refractory
• structural
• gold
• rich
• base
• coarse
• other
• crystalline
• complex