The primary associated species, neptunite and joaquinite, are attractive and highly desirable as well.
It is popular for its lovely pale to dark cornflower-blue to sapphire-blue color (some crystals are actually colorless), and is accompanied by an interesting suite of associated minerals including lustrous black-red neptunite and honey-brown joaquinite. Naturally it is a special favorite among collectors.
Following his return to Berkeley he described and named the new mineral species benitoite (1907, 1909) and also the associated new species joaquinite (based in part on a crystal given to him by mineral dealer Robert M.
Relationship to other species: A member of the joaquinite group.
Name: For the relationship to other members of the joaquinite group.
(2001) Redefinition of a mineral in the joaquinite group: orthojoaquinite-(La).