### Core Meaning & Semantic Range
The Greek word **krýstallos**, represented by `{{G2930}}`, is defined as **ice**, or by analogy, rock "**crystal**". It appears only **2 times** in **2 unique verses** in the Bible, both within the book of Revelation. Its usage exclusively describes elements of immense purity and clarity found in the direct presence of God.
### Biblical Occurrences & Contextual Analysis
In the biblical narrative, `{{G2930}}` is used to convey the magnificent and untainted nature of God's throne room. John's vision includes "a sea of glass like unto **crystal**" before the throne [[Revelation 4:6]]. Later, he is shown a "pure river of water of life, clear as **crystal**," which proceeds directly from the throne of God and the Lamb [[Revelation 22:1]]. In both instances, the word illustrates a perfect, transparent, and radiant quality associated with the divine realm.
### Related Words & Concepts
Several related words help illustrate the concept of divine clarity and perfection:
* `{{G5193}}` **hyálinos** (of glass): This word, meaning "glassy, i.e. transparent," is used to describe the "sea **of glass**" that is like crystal, emphasizing its transparent nature before the throne [[Revelation 4:6]].
* `{{G2986}}` **lamprós** (bright, clear): This adjective describes the river of life as "**clear** as crystal," highlighting a radiant and limpid quality [[Revelation 22:1]].
* `{{G2513}}` **katharós** (clean, clear, pure): The river of life is described as **pure**, directly linking the crystal-like quality to a state of being clean and undefiled [[Revelation 22:1]].
### Theological Significance
The theological weight of `{{G2930}}` is centered on its depiction of the heavenly environment.
* **Purity of God's Presence:** The imagery of a sea of glass and a river clear as **crystal** before the throne signifies the absolute holiness and purity of God's dwelling place ([[Revelation 4:6]], [[Revelation 22:1]]).
* **Divine Transparency:** The crystal-like sea suggests a realm of perfect truth and transparency, where everything is open and visible in the sight of God [[Revelation 4:6]].
* **Source of Life:** The "river of water of life" is described as clear as **crystal**, indicating that the life which flows from the throne of God and the Lamb is perfectly pure, undefiled, and life-giving [[Revelation 22:1]].
### Summary
In summary, `{{G2930}}` is a specific and powerful term used to illustrate the perfection of the divine. Though it appears only twice, its use in describing the sea of glass and the river of life establishes **crystal** as a symbol of the untainted purity, radiant clarity, and magnificent nature of God's presence and the eternal life that flows from Him.
TRV