Graphic granite is an igneous rock characterized by a distinctive intergrowth of quartz and alkali feldspar that resembles cuneiform writing or ancient script. These patterns are created by the simultaneous crystallization of the two minerals in a pegmatitic environment. It is highly prized by lapidary enthusiasts for its unique aesthetic, especially when cut and polished into cabochons or decorative items.
Is this graphic granite?
5-step field checkRun through these checks against the specimen in your hand. The more boxes tick, the more confident the ID.
- 1Test the hardnessTry to scratch graphic granite with a known reference. Graphic Granite sits at Mohs 6-7 — softer than the next harder reference, harder than the previous one.
- 2Check the streakDrag the specimen across an unglazed porcelain plate. Graphic Granite leaves a white streak.
- 3Read the lusterHold the specimen under a strong light. Graphic Granite typically shows a vitreous luster.
- 4Match the color rangeCompare against the expected color range: white, gray, pink, tan.
- 5Look at form & habitTypical habit: massive.
Often confused with
Graphic Granite vs. its common look-alikes — and how to tell them apart in the field.
Often found alongside graphic granite
Minerals reported to co-occur with graphic granite. Spotting these in float or country rock is a strong cue you are in the right ground.
All properties
- Mohs hardness
- 6-7
- Density
- 2.6-2.7 g/cm³
- Streak
- White
- Luster
- Vitreous
- Transparency
- Opaque
- Crystal habit
- Massive
- Cleavage
- None
- Rarity
- Common
- Uses
- Collector, Lapidary, Decorative
- Host rock
- Granite Pegmatites
- Typical price
- $5-50 for small specimens, higher for large decorative slabs
Where rockhounds find graphic granite
1 mapped spotsClassic worldwide localities
- USA
- Brazil
- Madagascar
- Russia
- Sweden
Field-hunting tip
Look in granite pegmatites country — that is the host setting where graphic granite typically forms. If you start seeing quartz, orthoclase, microcline in float, you are in the right ground. Field specimens usually show a massive habit, so train your eye for that shape before scanning the outcrop. In the U.S., the densest reported localities are in Colorado — start trip planning there.
Common questions
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Find graphic granite on the map
RockHoundR shows mapped rockhounding spots, access rules, and lets you log every find.
