Formula: Ca(H₄B₃O₇)(OH) · 4H₂O

Species: Borates

Colour: Colourless, turning white upon partial dehydration; colourless in transmitted light

Lustre: Vitreous

Hardness: 2

Specific Gravity: 1.875

Crystal System: Monoclinic

Member of: Inderite Group

Name: After the type locality in Inyo County, California – USA

Type Locality: Monte Blanco Mine (Monte Blanco deposit; Monte Blanco adit), Monte Blanco, Black Mountains, Amargosa Range, Inyo Co., California – USA