rosenhahnite
/rəʊznˈhɑːnʌɪt/Mineralogy
noun
A rare mineral occurring as buff to white, tabular or lath-like crystals, typically as a product of high-pressure metamorphism.
- Rosenhahnite is a calcium silicate and hydroxide, Ca3Si3O8(OH)2. Crystal system: triclinic..
Origin
1960s. From the name of Leo Rosenhahn, U.S. amateur mineralogist, who first found the mineral in California in 1962 + -ite.