Items needed to craft each type of pickaxe used in mines.
Gold pickaxe

• Gold blueprint (Route 111 (Desert) Mining site Pass - Pickaxe Guru House)
• 10 Heartscales (Luvdisc)
• Nugget (Ores, Dynamax, Ships)
• Pearl (Ores, Dynamax, Ships)
• Fossilized Carapace (Anorith)
• Petalized Coral (Lileep)
• Shell Plate Fragment (Tirtouga)
Platinum pickaxe

• Platinum blueprint (Route 111 (Desert) Mining site Pass - Pickaxe Guru House)
• 25 Heartscales (Luvdisc)
• 5 Big Pearls (Ores, Dynamax, Ships)
• Fossilized Crest (Shieldon)
• Ancient Wing Fragment (Archen)
• Glacial Crest Shard (Amaura)
• Fossilized Fish (Ores)
Diamond pickaxe

• Diamond blueprint (Route 111 (Desert) Mining site Pass - Pickaxe Guru House)
• 40 Heartscales (Luvdisc)
• Comet Shard (Ores, Dynamax, Ships)
• Pearl String (Ores, Dynamax, Ships)
• Oceanic Fossil Residue (Kabuto)
• Spiral Shell Fragment (Omanyte)
• Reptilian Fang (Tyrunt)
• Rampaging Jawbone (Cranidos)
Pickaxe Data Efficiency
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Gold pickaxe
• Gold blueprint (Route 111 (Desert) Mining site Pass - Pickaxe Guru House)
• 10 Heartscales (Luvdisc)
• Nugget (Ores, Dynamax, Ships)
• Pearl (Ores, Dynamax, Ships)
• Fossilized Carapace (Anorith)
• Petalized Coral (Lileep)
• Shell Plate Fragment (Tirtouga)
Platinum pickaxe
• Platinum blueprint (Route 111 (Desert) Mining site Pass - Pickaxe Guru House)
• 25 Heartscales (Luvdisc)
• 5 Big Pearls (Ores, Dynamax, Ships)
• Fossilized Crest (Shieldon)
• Ancient Wing Fragment (Archen)
• Glacial Crest Shard (Amaura)
• Fossilized Fish (Ores)
Diamond pickaxe
• Diamond blueprint (Route 111 (Desert) Mining site Pass - Pickaxe Guru House)
• 40 Heartscales (Luvdisc)
• Comet Shard (Ores, Dynamax, Ships)
• Pearl String (Ores, Dynamax, Ships)
• Oceanic Fossil Residue (Kabuto)
• Spiral Shell Fragment (Omanyte)
• Reptilian Fang (Tyrunt)
• Rampaging Jawbone (Cranidos)
Pickaxe Data Efficiency