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American Black

Origin: Brazil
Material: Natural granite (dense, exterior grade)

American Black is a premium black granite with a deep, uniform base and subtle mineral veining. It is positioned as a high-end black program stone for memorial production where customers expect a strong, formal appearance and reliable exterior performance.

Visual Character (Color & Pattern)

Tone: Deep black

Pattern activity: Low to medium; light grey/white mineral veining may occur by lot

Texture: Fine to medium grain; reads clean on large faces

Finishing Behavior

Polished / Gloss: Maximum depth and premium sheen; best for primary monument faces and showroom presentation

Honed / Matte (if specified): Reduced glare; more architectural, understated black for bases/sides

Engraving & Readability

Recommended: Polished inscription fields for crisp lettering and portrait work

Veining can influence local contrast → layout planning is recommended for large portrait/text zones

Recommended Applications (Memorial / B2B)

Uprights, slants, ledgers, bases, multi-piece sets

Strong choice for premium models where a dark, formal palette is required

Why It Works for Partners (B2B)

Core premium black: consistent demand across markets

Showroom value: polished black photographs and displays strongly

Production-friendly: controlled look supports repeat programs and repeat orders

Technical Data (from supplier card)

Mohs hardness: 6–7

Density: 2.6–2.7 g/cm³

Water absorption: 0.15–0.30%

Frost resistance: 300 cycles

Heat resistance: up to 600°C

Acid resistance: high

Re-polishing: yes

Abrasion / wear index: 0.12

Standard surface: polished

Standard thickness shown: 30 mm

Backlit use: no

Quality & Matching Notes

Natural variation: veining intensity and direction can vary by lot

For matched sets / repeat orders: request the same block/lot to align tone and pattern character