The investors will buy new shares for $1.10 each, with the funding to be used to progress European Metals' 49%-owned Cinovec hard rock lithium-tin project in Czech Republic.
A final investment decision on the project is expected in about 12 months.
The backing of European Metals by Thematica follows the fund's $4 million backing of ASX-listed, South American lithium brine aspirant Galan Lithium late last month.
Thematic noted today the European Raw Material Alliance had a stated ambition to have 80% of lithium supply sourced locally.
Cinovec is claimed to be the largest hard rock lithium deposit in Europe.
European Metals started the current quarter with $431,000 cash.
Shares in European Metals were up 14% to $1.32 in morning trade, capitalising the company at about $187 million.
The stock was trading at levels below 30c 12 months ago.
