Vonsenite
5505 Vonsenite, Old City Quarry (City Quarry; North Hill Quarry; Quarry Hill; Fairmount), Riverside, Riverside Co., California, USA
Type Locality. Ex John Sobolewski, Matt Gibbs
5548 Vonsenite, Manziana, Italy
An uncommon borate species, vonsenite, from Manziana, Bracciano Lake, Rome Province, Latium, Italy.