Does anyone know what this is? This is:…

trees that develop dark, resin-rich heartwood after injury or infection, sometimes over many years.

The resin is what gives agarwood its distinctive fragrance. When heated or burned, genuine agarwood can produce a deep, warm aroma with woody, sweet, earthy, and slightly spicy notes. Many people find the scent calming and associate it with relaxation, meditation, prayer, and mental clarity.

There are several reasons your husband might have been carrying one. Some people simply enjoy its natural fragrance and keep small pieces in their pockets, bags, cars, or workspaces. The aroma