The Mineral Necklace can be crafted after obtaining Crafting Research Tier 5 and costs various minerals from geodes to make. It can be charged with minerals and will passively find crates of a selected type, while the charge is active.
Crafting[]
| Picture | Level | Materials | Chances* |
|
395 | 15  8  3 
|
1/3600
(1/h) |
|
920 | 15  8  3 
|
1/3200
(1.125/h) |
*Mayor rating affects both
In fact, for a 30h round of gem crates, using the normal necklace, you usually get 24-25 crates, hence below the expected 1 crate/h.
Loot[]
| Loot | Rarity |
|---|---|
 Blood Crystals
|
Always |
 Sapphire
|
1/2 |
 Emerald
|
1/5 |
 Ruby
|
1/9 |
 Diamond
|
1/16 |
 Blood Diamond
|
1/1000 |
| Loot | Rarity |
|---|---|
 Tree Roots
|
|
 Maple Logs
|
|
 Redwood Logs
|
|
 Pine Logs
|
|
 Haunted Logs
|
|
 Jungle Logs
|
|
 Apple
|
|
 Nopal
|
|
 Bananas
|
| Loot | Rarity |
|---|---|
 20-40 Red Mushroom Seeds
|
Always |
 5-10 Dotted Green Leaf Seeds
|
Always |
 5-10 Green Leaf Seeds
|
Always |
 5-10 Lime Leaf Seeds
|
Always |
 1-3 Gold Leaf Seeds
|
1/2 |
 1 Crystal Leaf Seeds
|
1/4 |
 1 Striped Green Leaf Seeds
|
|
 1 Striped Gold Leaf Seeds
|
|
 1 Striped Crystal Leaf Seeds
|
| Loot | Rarity |
|---|---|
 1303-4742 Gold Ore
|
Always |
 15-31 Promethium Ore
|
Always |
 2-3 Titanium Ore
|
Always |
 1 Ancient Ore
|
1/3 |
| Loot | Rarity |
|---|---|
 10-20 Sardine
|
Always |
| 50-100 Bananas
|
Always |
 10-20 Tuna
|
Always |
 5-10 Swordfish
|
Always |
 5-10 Coconuts
|
1/2 |
 10-20 Sea Turtle
|
1/2 |
 10-20 Lobster
|
1/2 |
 1 Shark
|
1/2 |
| 60-180 Nopal
|
1/2 |
 4-6 Starfruit
|
1/8 |