Mineral Specimen and Product Inventory Search

Availability

Available

Price

$75.00

Locality

Esquire #7 claim, Big Creek, Fresno Co., California, United States

Formula

Ba₄Fe₄³⁺O₃(OH)₃(Si₄O₁₂)[Si₂O₃(OH)₄]Cl

Size

2 x 1.5 x 1 cm - Thumbnail

Dark blue massive Cerchiaraite-(Fe). The Esquire #7 deposit share type localities with two other localities.

Availability

Sold

Locality

Esquire #7 claim, Big Creek, Fresno Co., California, United States

Formula

Ba₄Mn²⁺₂Si₄O₁₂(OH,H₂O)₃Cl₃

Size

7.5 x 4.5 x 2.5 cm - Sm Cabinet

Special Info

Type & Only Locality

Orange grains of little prismatic crystals to 1mm in Sanbornite matrix with sulfides. This is the type and only locality in the world. It was collected by Robert Walstrom and comes with his signed label.

Availability

Sold

Locality

Esquire #7 claim, Big Creek, Fresno Co., California, United States

Formula

BaCa₂Si₃O₉

Size

7 x 5 x 3 cm - Sm Cabinet

Special Info

Fluorescent

Special Info

Type Locality

Without the aid of a UV light, Walstromite is hard to identify. In this case the pearly white crystal grains are the Walstromite which is flurescent orange. It occurs with tiny grains of Benitoite (blue, FL) and yellow Fresnoite.  Rich specimen. Rare.