rokci -rok-ro'i- gismu

x1 is a quantity of/is made of/contains rock/stone of type/composition x2 from location x3.

x2: composition including x2, which need not be complete specification. See also kunra, jemna, canre.

In notes:

canre
x1 is a quantity of/contains/is made of sand/grit from source x2 of composition including x3.
jemna
x1 is a gem/polished stone/pearl of type x2 from gemstone/material/source x3.
kunra
x1 is/contains/is made from a mineral/ore of type/metal x2 mined from location/lode/mine x3.
bogjimro'i
x1 is a quantity of/is made of/contains limestone from location x2.
canro'i
r1=c1 is a quantity of/contains/is made of sandstone of type/composition r2=c3 from location/source r3=c2.
cnadakfu
d1=c1 is a chisel for carving d2=c2 with blade of material d3.
kuncnero'i
x1=r1 is a quantity of/is made of/contains metamorphic rock of type/composition x2=r2 from location x3=r3
likrokro'i
x1 is a quantity of igneous rock of type/composition x2 from location x3
ro'ixra
p1=r1 is a statue of p2, made by artist p3, using materials (kind of rock, etc.) r2.
rokrelca'u
x1 is a terrain characterized by rock x2
roksfe
s1 is a rock face / rock surface of rock / mountain s2=r1 on side s3 with edges s4.
rokske
s1=r1 is petrology [science about rock/stone] based on methodology s3.
rokybakfu
b1=r1 is a stone [loose, single lump made of rock/stone].
rokyko'a
r1=k1 is a cornerstone of structure k2 of stone type/composition k3=r2.
amtisti
x1 is a quantity of/contains/is made of amethyst from source x2.