Cannot be bought from a store.
High Alch: 0 Coins; Low Alch: 0 Coins.
Requirements:
1 Mining to obtain and open.
Where Found:
Occasionally obtained while Mining any of the following rocks:
Copper,
Tin,
Iron,
Coal,
Mithril,
Adamantite,
Luminite, and
Runite.
Item Uses:
Opened to obtain 1 of several items (See Notes).
Notes:
When opened, it is possible to obtain 1 of the following items:
By default, you will begin with a 5% chance of obtaining a geode each time you obtain an ore, however, as your Mining level increases, you will have a higher chance of obtaining a geode. It is also possible to increase your chances of obtaining a geode with the following chance modifiers:
| Item | Chance |
 Spirit shards |
50% |
 Uncut diamond |
1% |
 Uncut emerald |
2.5% |
 Uncut jade |
12.5% |
 Uncut opal |
20% |
 Uncut red topaz |
7.5% |
 Uncut ruby |
1.5% |
 Uncut sapphire |
5% |
By default, you will begin with a 5% chance of obtaining a geode each time you obtain an ore, however, as your Mining level increases, you will have a higher chance of obtaining a geode. It is also possible to increase your chances of obtaining a geode with the following chance modifiers:
| Item | Boost |
| Amulet of glory | 1% |
| Collector's insignia | 2% |
| Collector's insignia (charged) | 3% |
| Gem-finding scrimshaw | 2% |
| Refined perk 1 | 2% |
| Refined perk 2 | 4% |
| Refined perk 3 | 6% |
| Resourceful aura | 2% |
| Superior gem-finding scrimshaw | 3% |
Weight:
0 kg
Examine Information:
A common hollow rock with something inside.
This Data was submitted by: ChathMurrpau
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