Granular beige mascagnite in a glass tube, possibly with other fumarolic sulphates.

Glass tube measures around 4cm long.

Old material, purchased in 1992.

Postage combined on multiple orders if you request an invoice. 

International orders over £20 value will be sent via tracked postage.

International postage is quoted for the US, which has increased hugely recently.  Excess P&P (-eBay fees) will be refunded to other locations like Europe.