Amethyst crystals

Amethyst Crystals
Level required	92
Mining XP	240 xp
Required tool	Pickaxe
Respawn time	75 seconds (1:15)

Amethyst crystalsEmpty
Amethyst crystals
Released	22 June 2017 (Update)
Members	Yes
Quest	No
Location	Mining Guild
Options	Mine
Examine	This wall is densely packed with crystals.
Advanced data
Object ID	11388,11389

Amethyst crystals are the highest level rock in Old School RuneScape, requiring 92 Mining to mine. They are located exclusively in the Mining Guild with two areas to mine them from; the area directly west of the bank chest requires completion of the Elite Falador Diary (and having spoken to Belona for permission access), while the area further south-east has no additional requirements to mine.

When successfully mined by a player, they receive an amethyst, which yields 240 Mining experience. After being mined, amethyst usually takes around 75 seconds to respawn.

Wearing expert mining gloves while mining an amethyst crystal grants a 25% chance for the crystal to not deplete upon mining an amethyst, allowing you to mine additional amethyst before depleting. Note that wearing any other mining gloves does not affect its chance to deplete.

Locations[edit | edit source]

Location	Members	Spawns	Map
Mining Guild		62	Maplink

Mining info[edit | edit source]

Pre roll drops[edit | edit source]

A gem table rolls before the main drop table.^[1] There's a chance to receive nothing here so that players can receive no items from a rock even if they are guaranteed to receive an ore in the main drop table.^[2] The table gets more likely to be rolled if the player has a charged amulet of glory equipped: the probability grows from 1/256 to 1/86.^[3]

Item	Quantity	Rarity	Price	High Alch
Nothing	N/A	70/32,768; 70/11,008^{[d 1]}	N/A	N/A
Uncut sapphire	1	32/32,768; 32/11,008^{[d 1]}	279	15
Uncut emerald	1	16/32,768; 16/11,008^{[d 1]}	523	30
Uncut ruby	1	8/32,768; 8/11,008^{[d 1]}	1,100	60
Uncut diamond	1	2/32,768; 2/11,008^{[d 1]}	2,263	120

^ ^1.0 ^1.1 ^1.2 ^1.3 ^1.4 The drop rate is increased while wearing an amulet of glory

Main drops[edit | edit source]

The probability for a player to receive some amethyst drop depends on the player's mining level. The rock will deplete after receiving the amethyst, unless affected by the effect of expert mining gloves.

	Item	Quantity	Rarity	Price	High Alch
	Amethyst	1	Always	4,060	2,340

The chance of successfully mining an amethyst crystal varies from around 3.5% at level 92, scaling up to about 4.3% at level 99.^[4] Bear in mind these rates likely do not take into account the invisible +7 Mining level boost enjoyed while inside the Mining Guild.

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Conditional drops[edit | edit source]

The following table shows items that can be received in addition to the main resource.

Item	Quantity	Rarity	Price	High Alch
Clue geode (beginner)	1	Rare	Not sold	N/A
Clue geode (easy)	1	Rare	Not sold	N/A
Clue geode (medium)	1	Rare	Not sold	N/A
Clue geode (hard)	1	Rare	Not sold	N/A
Clue geode (elite)	1	Rare	Not sold	N/A
Unidentified minerals	1	1/20^[5]	Not sold	30
Rock golem	1	Very rare	Not sold	N/A

Changes[edit | edit source]

Date	Changes
15 March 2023 (update \| poll)	The object has been renamed from "Crystals" to "Amethyst crystals". The "Prospect" option was removed.
3 November 2021 (update)	The permanently empty Amethyst vein in the Mining Guild has been replaced with a blank wall.

Trivia[edit | edit source]

Amethyst crystals are the only 'rock' in the game that can always have a chance at acquiring unidentified minerals, since they are unique to the Mining guild.
Unlike other rocks that have mining glove interactions, Amethyst crystals are only affected by one glove - the Expert glove. All other rocks that have mining glove interactions are affected by both the Expert gloves and either the standard mining glove or the superior mining glove, depending on ore type.
Prior to an update on the 3rd of November 2021 the northern part of the area that is accessible after the completion of the Falador diaries, contained an empty wall that never respawned any amethyst crystals but which could be interacted with.

References[edit | edit source]

^ Jagex. Mod Ash's Twitter account. 11 February 2020. Archived from the original on 27 November 2020. Mod Ash: "It adds a gem roll before each ore roll, and if you receive a gem you don't get the ore roll."
^ Jagex. Mod Ash's Twitter account. 6 July 2020. Archived from the original on 27 November 2020. Mod Ash: "Yes, [the mining gem table has] got [...] chance of giving no gem."
^ Jagex. Mod Ash's Twitter account. 7 February 2017. Archived from the original on 18 June 2019. Mod Ash: "[the actual increase when wearing the Amulet of Glory while mining is] 1/86 rather than 1/256 for a gem."
^ Jagex. Mod Ash's Twitter account. 22 September 2022. Archived from the original on 22 September 2022. Mod Ash: "-7% at level 1 (if that were allowed), +4% at level 99. Interpolate linearly between those for your visible stat."
^ Mod Ed. "Mining Guild Expansion." 22 June 2017. Archived from the original on 20 May 2021. Old School Announcements Forums.

[row-4] 1.0 ^1.1 ^1.2 ^1.3 ^1.4 The drop rate is increased while wearing an amulet of glory

[1] Jagex. Mod Ash's Twitter account. 11 February 2020. Archived from the original on 27 November 2020. Mod Ash: "It adds a gem roll before each ore roll, and if you receive a gem you don't get the ore roll."

[2] Jagex. Mod Ash's Twitter account. 6 July 2020. Archived from the original on 27 November 2020. Mod Ash: "Yes, [the mining gem table has] got [...] chance of giving no gem."

[3] Jagex. Mod Ash's Twitter account. 7 February 2017. Archived from the original on 18 June 2019. Mod Ash: "[the actual increase when wearing the Amulet of Glory while mining is] 1/86 rather than 1/256 for a gem."

[5] Jagex. Mod Ash's Twitter account. 22 September 2022. Archived from the original on 22 September 2022. Mod Ash: "-7% at level 1 (if that were allowed), +4% at level 99. Interpolate linearly between those for your visible stat."

[6] Mod Ed. "Mining Guild Expansion." 22 June 2017. Archived from the original on 20 May 2021. Old School Announcements Forums.

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Amethyst crystals

Contents

Locations[edit | edit source]