If you search online for Uraninite then you find various websites saying that uraninite is called pitchblende.
On wikipedia you find :
Uraninite is a radioactive, uranium-rich mineral and ore with a
chemical composition that is largely UO2, but also contains UO3 and
oxides of lead, thorium, and rare earth elements. It is most commonly
known as pitchblende
even the word pitchblende will automatically redirect you to the uraninite wikipedia page .
Another trustworthy website is mindat.org : uraninite information can be found on this link:http://www.mindat.org/min-4102.html (It seems that there are various names associated to the mineral):
Re-named in 1845 by Wilhelm Karl von Haidinger for its composition
containing uranium. Originally recognized before the element uranium
was known and called "schwarz beck-erz" by Franz Ernst Brückmann in
1727. Subsequently described with several names including "pseudogalena" and "pitch-like zinc-blende" by Johan Gottschalk
Wallerius (Vallerius) in 1747. Named pechblende by Axel Cronstedt in
1758. Named "uranerz" by Martin Klaproth after he discovered the element uranium in this mineral. Many spelling variations of the above