Add AMETHYST ore and ingot

[RealYusufIsmail]

General Troubleshooting

• I have checked for similar issues on the Issue-tracker.
• I have checked the branches or the maintainers' PRs for upcoming features.

Feature Request

Add AMETHYST ore and ingot so it can be mined and used for ores

Example Use-Case

No response

[github-actions]

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