Disenchantment
Physical fall metaphor
The abstract concept of disillusionment becomes a literal object dropping and shattering. Dickinson makes the mental process audible and visible.
Geological mind
The mind has a **bottom** with **stones**—a foundation where things break permanently. Not soft disappointment, but hard fracture.
Plated vs. silver
**Plated wares** are cheap metal coated with a thin layer of silver—fake luxury. She's angrier at herself for mistaking the fake for the real than at the fake thing itself.