jemna -jme- gismu

x1 is a gem/polished stone/pearl of type x2 from gemstone/material/source x3.

Also jewel (= jmeja'i); gemstone (= x2, x3, or jmero'i, jmekunra); pearl (= selcakyjme - a gem found inside a shell, tercakyjme - a gem made of shell material, boijme - any ball-shaped gem), mother-of-pearl (= cakyjme). See also kunra, rokci, jadni, dirba, kargu, krili, pulji.


In notes:

dirba
x1 is dear/precious/darling to x2; x1 is emotionally valued by x2.
jadni
x1 (object) adorns/decorates x2; x1 is an adornment/decoration of x2; x2 is fancy/decorated.
kargu
x1 (object/commodity/property/event) is costly/expensive/dear to x2 by standard x3.
krili
x1 is a quantity of/contains/is made of crystal of composition x2 in form/arrangement x3.
kunra
x1 is/contains/is made from a mineral/ore of type/metal x2 mined from location/lode/mine x3.
pulji
x1 is a police officer/[enforcer/vigilante] enforcing law(s)/rule(s)/order x2.
rokci
x1 is a quantity of/is made of/contains rock/stone of type/composition x2 from location x3.
tabykrili
k1 is crystalline carbon (default diamond) in form/arrangement k3
amtisti
x1 is a quantity of/contains/is made of amethyst from source x2.