### Core Meaning & Semantic Range
The Greek word **améthystos**, represented by `{{G271}}`, is the name for the **amethyst** gem. Its base definition indicates it was "supposed to prevent intoxication." The term is highly specific, appearing only **1 time** across **1 unique verse** in the Bible.
### Biblical Occurrences & Contextual Analysis
The sole biblical appearance of `{{G271}}` is in the description of the foundations of the wall of the New Jerusalem. In this context, the **amethyst** is explicitly named as the **twelfth** foundation stone [[Revelation 21:20]]. It is the final gem mentioned in a list of precious stones that make up the foundations of the holy city.
### Related Words & Concepts
Several other words appear alongside `{{G271}}` in its only biblical context, establishing a list of precious foundation stones:
* `{{G1428}}` **dōdékatos** (twelfth): This ordinal number is used to specify the position of the **amethyst** as the **twelfth** foundation [[Revelation 21:20]].
* `{{G5192}}` **hyákinthos** (jacinth): Defined as a gem of a deep blue color, this stone is listed as the eleventh foundation, immediately preceding the amethyst [[Revelation 21:20]].
* `{{G969}}` **bḗryllos** (beryl): This word for a "beryl" is identified as the eighth foundation stone in the same passage [[Revelation 21:20]].
* `{{G5555}}` **chrysólithos** (chrysolite): Meaning "gold-stone," this is listed as the seventh foundation of the wall [[Revelation 21:20]].
### Theological Significance
The theological weight of `{{G271}}` is derived entirely from its unique placement in scripture.
* **Foundation of the New Jerusalem:** The primary significance of **améthystos** comes from its inclusion as one of the twelve foundation stones of the holy city described in Revelation [[Revelation 21:20]].
* **Symbolic Placement:** As the **twelfth** stone, the **amethyst** completes the list of the foundations, contributing to the imagery of the city's divine perfection and completion.
* **Etymological Meaning:** The name **améthystos** itself suggests a connection to sobriety, as it is defined as being supposed to prevent intoxication.
### Summary
In summary, `{{G271}}` is a specific term for the **amethyst** gem. Its singular appearance in scripture is highly significant, marking it as the **twelfth** and final foundation stone of the New Jerusalem [[Revelation 21:20]]. Through its context as a foundational element of God's eternal city and its underlying etymology, the word contributes to the vision of a pure and divinely constructed dwelling place.
TRV