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Custom Obsidian Basalt paving and architectural steps at the Portland Japanese Garden, showcasing the stone's deep black uniform palette and its seamless integration into a high-end, zen-inspired landscape design.

Adze Finish Paving Japanese Garden

Custom Obsidian Basalt paving and architectural steps at a Japanese garden, showcasing the stone's deep black uniform palette and textured adze-cut finish.

01

STONE IDENTITY

Stone Character
Tonal Behavior
Atmosphere

Obsidian Basalt

Bold. Monolithic. Enduring.

Obsidian Basalt is a dense volcanic stone defined by its deep black color, fine-grained texture, and exceptional durability. Characterized by mass, shadow, and permanence rather than movement or variation, it creates a bold, grounding presence ideal for minimalist and monolithic architectural expressions.

Tonal Behavior

Deep black tones with a fine-grained appearance.

Atmosphere

Strong, minimal, and architecturally grounded.

Possible Applications

Suitable for facades, paving, landscape elements, water features, and contemporary architectural surfaces.

02

ARCHITECTURE APPLICATIONS

03

SURFACE FINISHES

Different finishes, Different expressions.

Honed Obsidian Basalt surface with a smooth, dark matte finish, highlighting the stone's dense black base and uniform fine-grained texture for modern interior floors.

Honed Finish

04

MOCK UP / MOOD BOARD

Mockups help visualize the material in bigger proportions, light, and detail.

A physical material mockup layout featuring interlocking pavers of Obsidian Basalt with a deeply pitted, high-friction lychee finish, showcasing its rugged, slip-resistant character for exterior hardscaping.

Lychee Finish Mockup Panel

Interlocking modular layout mockup of lychee-finished Obsidian Basalt pavers.

05
PRODUCTION & INSTALLATION

In-house fabrication and installation with precision craftsmanship.

Technical workshop assembly of Obsidian Basalt corner units with precision mitered joints, shown alongside architectural shop drawings for custom estate cladding.

CONTACT

ARRIS STONEWORKS INC.,
info@arrisstoneworks.com
206-370-0000

MENU

Arris Stoneworks | Custom Architectual Stone

Premium Natural Stone Fabrication. Seattle Based. Nationwide Reach.

© 2026 by Arris Stoneworks Inc.

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