noun
or cal·co·sphae·rite ˌkal(ˌ)kōˈsfiˌrīt
( -s )
Etymology: International Scientific Vocabulary calc- + spher- or sphaer- + -ite; probably originally formed as French calcosphérite
: a granular or laminated deposit of calcium salts in the fat body or Malpighian tubules of certain insects