Significance of the Locket to Clara

Read the following excerpt from a fictional narrative:

As the storm intensified, Clara's fingers fumbled with the ancient locket in her pocket—its edges worn, its surface engraved with initials that had long since lost meaning. Outside, the wind howled like a creature in pain, a sound matched only by her racing thoughts. She could still hear her grandmother’s voice, whispering stories of love and loss, the echoes of a life woven into the fabric of the family heirloom.

Clara paused at the window, her eyes scanning the darkened horizon where the tempest met the sea. Memories swirled in her mind: summer days spent by the shore, laughter mingling with the sound of crashing waves, and the warmth of her grandmother’s arms enveloping her as they watched sunsets. That locket was more than jewelry; it was a vessel of her heritage, a reminder of resilience against the unrelenting storms, both literal and metaphorical.

What detail from the passage best supports the idea that the locket is significant to Clara?