FIND // PDA CASE FILE
Can't Find Kyanite in Subnautica
Kyanite is deliberately gated behind the lava zones. Find the descent first, then bring a way to mine large deposits.
LAST CHECK
ANSWER LOCK // QUICK RESPONSE
Search the Inactive Lava Zone and Active Lava Zone. Bring a Prawn Suit Drill Arm for the large deposits, though individual crystals can appear in the Lava Castle.
SIGNAL CONFIRMEDLOCATION SCAN
BIOMEInactive Lava Zone and Active Lava Zone
DEPTHUsually below 900m
REQUIRED EQUIPMENTPrawn Suit, Drill Arm, Deep vehicle depth upgrade, Power and heat plan
SCAN RESULT // ENTITYWIKI

BRING THIS
- Prawn Suit
- Drill Arm
- Deep vehicle depth upgrade
- Power and heat plan
DATA ACCESS LEVEL
Reveal only as much as you need
02 // DIRECTIONDirectionROUTE GUIDANCE
03 // EXACT ANSWERExact answerFULL SPOILER
COMMON REASONS YOU ARE STUCK
- Searching the Lost River itself
- Expecting it in shallow outcrops
- Bringing a Prawn Suit without a Drill Arm
EVIDENCE LOG
Verification record
Facts on this page are separated from player speculation. Version-sensitive answers should be rechecked after an official update.
LAST CHECK2026-08-29
- SOURCE // 01Kyanite OPEN SOURCE ↗WIKI · checked 2026-08-29
- SOURCE // 02Inactive Lava Zone OPEN SOURCE ↗WIKI · checked 2026-08-29