Natural Aquamarine · Crystal Cluster / Mineral Specimen

$133.13

Natural Aquamarine crystal cluster on Quartz matrix, featuring icy-blue prismatic Aquamarine crystals emerging from a bright Quartz and feldspar-rich host. This small collector specimen shows good crystal-to-matrix balance, attractive natural terminations and strong visual contrast, with subtle sparkle from the crystalline matrix. Untreated and unpolished, with natural contact marks and matrix irregularities preserved.

1 in stock

NGB Reference: NGB-000422 SKU: CL-AQUA026MC-003-420 Category: Brand:
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This natural Aquamarine crystal cluster on Quartz matrix is a refined collector mineral specimen combining delicate icy-blue Aquamarine crystals with contrasting white to colourless Quartz and a naturally textured feldspar-rich matrix.

The Aquamarine crystals display the characteristic pale blue coloration associated with gem-quality Beryl, with naturally formed prismatic crystal structures and visible terminations emerging from the host matrix. Their soft translucent appearance contrasts attractively with the brighter crystalline Quartz surrounding them.

The matrix consists primarily of Quartz with associated Feldspar-rich mineral material, creating a varied geological base with natural texture, reflective crystalline surfaces and subtle tonal variation. This combination provides a strong visual foundation for the Aquamarine crystals without overwhelming them.

One of the strengths of this specimen is the good balance between crystal and matrix. The Aquamarine remains clearly visible and visually important, while enough natural matrix is preserved to provide geological context and structural character. This balanced proportion gives the piece a harmonious and authentic collector appearance.

Under direct illumination, the Quartz surfaces produce subtle sparkling reflections, while the Aquamarine crystals show softer icy-blue transparency and vitreous luster. The interplay between the more reflective matrix and the calmer blue Beryl creates an elegant contrast across the specimen.

The piece remains in its natural mineral formation, without polishing or artificial shaping. Natural contact points, incomplete crystal faces, minor fissures, matrix irregularities and small edge abrasions may therefore be present and form part of the specimen’s geological history.

Its small size makes the specimen particularly suitable for cabinet display, desktop presentation or inclusion within a focused mineral collection where crystal quality, mineral association and natural structure are more important than overall scale.

This is a unique natural specimen, and the individual arrangement of Aquamarine, Quartz and associated matrix material will not be exactly repeated in another piece.

Unique Piece: Yes – natural individual formation

With its soft icy-blue Aquamarine crystals, bright Quartz surfaces and well-balanced natural matrix, this specimen offers a refined example of Aquamarine in its geological host environment. Its compact size, attractive mineral association and harmonious crystal-to-matrix proportions make it especially suitable for a curated mineral collection or elegant display.

Overall Score: 93/100

NGB Grade: Excellent

Quality Evaluation

Color18.0/20
Material Quality18.0/20
Natural Characteristics19.0/20
Shape, Symmetry & Polish19.0/20
Overall Appeal19.0/20

Evaluation Notes

This natural Aquamarine cluster on Quartz matrix presents an **excellent overall collector-quality profile**, combining attractive icy-blue Aquamarine crystals with a bright, textural Quartz and feldspar-rich matrix. The crystal-to-matrix relationship is particularly well balanced, allowing the Aquamarine to remain visually dominant while preserving enough host material to provide strong geological context.

The Aquamarine crystals show pleasing natural prismatic development, visible terminations and good contrast against the lighter matrix. Minor contact marks, incomplete edges and natural matrix irregularities are consistent with an unmodified mineral specimen and do not significantly detract from the overall presentation.

The combination of **crystal development, colour, matrix contrast, natural structure, specimen balance and overall visual appeal** supports an **excellent 93/100 assessment**.

Species

Beryl

Gemstone Variety

Aquamarine

Treatment

Unheated, Untreated

Transparency

Translucent

Color

Multicolor

Gemological Properties

Dimensionssmall
TransparencyTransparent
ClarityN/A
Refractive Index1.565–1.602
Specific Gravity2.66–2.80
Hardness7.5–8 Mohs
Birefringence0.005–0.009
Crystal SystemHexagonal
Dispersion0.014
LusterVitreous
Color Descriptionmulticolor, blue aquamarine crystals on white to beige matrix
Transparency NotesTransparency varies across the natural crystal formation according to the dominant mineral and individual specimen.
Natural CharacteristicsNatural prismatic Aquamarine crystals emerge from a **Quartz and feldspar-rich matrix**, showing visible crystal faces, growth lines and naturally formed terminations. Minor fissures, contact marks, incomplete crystal edges and matrix irregularities may be present and are consistent with an unmodified mineral specimen. The icy-blue Aquamarine crystals retain good visual separation from the brighter white to colourless matrix, while the overall formation shows a **well-balanced relationship between crystal development and host rock**.

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