stone vs crystal

stone and crystal both are nouns.

Word	Noun	Adjective	Verb	Adverb
stone	Yes	Yes	Yes	No
crystal	Yes	No	No	No

As nouns, crystal is a hyponym of stone; that is, crystal is a word with a more specific, narrower meaning than stone:

stone: a lump or mass of hard consolidated mineral matter
crystal: a rock formed by the solidification of a substance; has regularly repeating internal structure; external plane faces

As nouns, crystal is a hypernym of stone; that is, crystal is a word with a broader meaning than stone:

stone: a crystalline rock that can be cut and polished for jewelry
crystal: a solid formed by the solidification of a chemical and having a highly regular atomic structure

stone (noun)	crystal (noun)
building material consisting of a piece of rock hewn in a definite shape for a special purpose	a protective cover that protects the face of a watch
a lack of feeling or expression or movement	glassware made of quartz
a lump or mass of hard consolidated mineral matter	a crystalline element used as a component in various electronic devices
the hard inner (usually woody) layer of the pericarp of some fruits (as peaches or plums or cherries or olives) that contains the seed	a rock formed by the solidification of a substance; has regularly repeating internal structure; external plane faces
an avoirdupois unit used to measure the weight of a human body; equal to 14 pounds	a solid formed by the solidification of a chemical and having a highly regular atomic structure
material consisting of the aggregate of minerals like those making up the Earth's crust	colorless glass made of almost pure silica
a crystalline rock that can be cut and polished for jewelry

stone (adjective)	crystal (adjective)
of any of various dull tannish or grey colors

stone (verb)	crystal (verb)
remove the pits from
kill by throwing stones at