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Light Black Ocean Onyx

Gold - Onyx

Iran

About

Item Details

Material Type:
Onyx
Origin:
Iran
Primary Color(s):
Gold
Recommended Usage:
Commercial tops, bar and bathroom countertops, ornamental stone, interior & exterior wall applications, mosaic, waterjet pattern, wall panels, table tops, fireplace surround, sculptures, balustrades, columns
Additional Names:
Light Black Sea Jade, Light Black Ocean Jade, in China stone market:浅黑海玉(Qiǎn Hēi Hǎi Yù)
Finished Surface:
Polished,Bush Hammered,Tumbled,Brushed,Honed,Split,Machine Cut,Natural Surface,Sandblasted,Combed,Leathered,Water Jet,Chiseled,Pickling

Testing

Water Absorption:
0.20 - 0.60%
Density:
2550 - 2650 kg/m³
Flexural Strength:
5 - 8 MPa
Compressive Strength:
45 - 65 MPa

Description

Light Black Ocean Onyx features a warm combination of golden-honey, amber, and yellow-brown tones, beautifully interlayered with softer translucent beige and cream bands. Its flowing color transitions create a wave-like appearance reminiscent of ocean currents and natural sedimentary formations. Subtle dark brown and grey accents within the deeper wave formations add contrast and visual depth. The varying translucency of its layers gives the stone a distinctive decorative character, particularly when illuminated from behind.

Texture & Structure

Fine to medium crystalline structure with distinctive horizontal and undulating stratified formations. The stone exhibits a fibrous, layered texture characteristic of banded onyx, with ribbon-like mineral contours and variations in density and opacity. Natural variations in translucency, subtle pores, and occasional mineral inclusions contribute to its organic appearance. Its compactness and structural consistency may vary between individual blocks.

Pattern

Distinctive horizontal, wavy, and flowing bands of golden honey, amber, yellow-brown, beige, and cream. The layers form irregular ribbon-like contours with alternating translucent and opaque sections. Darker brown and grey mineral accents appear within the wave troughs, emphasizing the depth and movement of the pattern. Bookmatching can create symmetrical, wave-like decorative compositions, while backlighting highlights the translucent characteristics of selected sections.

Technical Characteristics

Indicative reference values only; actual quarry-specific laboratory test results are required for commercial specifications.

Property

Indicative Value

Bulk Density

2,550–2,650 kg/m³

Water Absorption

0.20–0.60%

Apparent Porosity

0.30–2.00%

Compressive Strength (Dry)

45–65 MPa

Compressive Strength (Wet)

35–55 MPa

Flexural Strength (Dry)

5–8 MPa

Flexural Strength (Wet)

4–7 MPa

Abrasion Resistance

20–35 mm

Mohs Hardness

3–4

Chemical & Mineralogical Composition

Indicative mineralogical composition by weight; actual composition depends on the geological formation and quarry location.

Mineral Component

Approx. Content (% by Weight)

Calcite

70–90%

Aragonite

0–10%

Quartz

1–8%

Dolomite

1–8%

Iron Oxides

0.5–4%

Clay Minerals and Other Inclusions

Trace–5%

Indicative Chemical Composition

Chemical Component

Approx. Content (% by Weight)

CaO

38–52%

MgO

0.5–4%

SiO₂

1–8%

Al₂O₃

0.2–2%

Fe₂O₃

0.5–4%

Loss on Ignition (LOI)

40–44%

Usage

Suitable for luxury interior wall cladding, decorative feature walls, backlit panels, reception desks, bathroom vanities, countertops, fireplace surrounds, furniture tops, decorative partitions, columns, and bespoke architectural installations. Its warm golden coloration and translucent layered structure make it particularly attractive for hotel lobbies, luxury residences, spa interiors, and high-end commercial projects. Backlit installations and bookmatched panels can further emphasize its distinctive wave-like patterns.

Maintenance

Clean with a soft microfiber cloth, warm water, and a pH-neutral stone cleaner. Avoid acidic substances, vinegar, abrasive cleaners, and harsh chemicals. Apply a suitable penetrating stone sealer to reduce moisture and stain absorption. Wipe spills promptly, particularly oils, wine, coffee, and acidic liquids. Avoid excessive heat and impact, as onyx is relatively soft and can be susceptible to scratching and chipping. For countertops and other high-use surfaces, professional sealing and periodic maintenance are recommended.

Technical Note: The chemical, mineralogical, and mechanical figures are provisional estimates, not verified laboratory results for this specific Iranian quarry material. Actual testing should be obtained before publishing certified technical specifications.

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