About this stone
Color
AquaTanRedCream
Origin
ChinaUSA
Mohs hardness
3.5–4
Treatment categories
DyedStabilized
Industry-standard treatment
Trade name — typically dyed magnesite or dyed howlite base; the bright aqua, red, and pastel colors are dye signals. Not microcrystalline quartz. Confirm material disclosure.
Mineral chemistry
Dyed magnesite (magnesium carbonate) or dyed howlite (calcium boron silicate hydroxide) — varies by supplier
Crystal system
Trigonal (magnesite) or Monoclinic (howlite)
Stone family
Trade name (magnesite or howlite base, not jasper)
Common cuts
RoundRondelleSmooth
Common sizes
4mm6mm8mm10mm
Care notes
Soft (Mohs 3.5–4) — significantly less durable than true jasper. Avoid ultrasonics, steam, and prolonged water exposure to preserve dye stability. Soft cloth and mild soap only.
Related stones
Magnesite, Howlite, Jasper
Frequently asked questions
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What is impression jasper made of?
Impression jasper — also sold as aqua terra jasper — is a trade name for dyed and stabilized magnesite or howlite, both porous carbonate stones that take dye uniformly. It is not microcrystalline quartz (true jasper). The trade name persists because that's how designers search; the underlying mineral identity should be disclosed and matters for care, since magnesite and howlite are Mohs 3.5–4 — softer than true jasper. -
Is impression jasper dyed?
Yes. Every impression jasper strand in Dakota's catalog is tagged Dyed and Stabilized. The saturated aqua-blue, yellow, gold, brown, and pink colors are dye on a near-white carbonate base; the dark veining patterns are intrinsic to the rough. Stabilization with resin reinforces the porous matrix for stringing. Both treatments are standard for the variety across the bead trade. -
How durable is impression jasper for daily wear?
Mohs 3.5–4 — significantly softer than true jasper (6.5–7), agate (6.5–7), or quartz (7). Stabilization improves the bead's structural integrity for stringing but does not raise the underlying hardness. Impression jasper is well-suited to necklaces, earrings, and statement pieces; daily-wear rings and bracelets paired with harder stones will show marking and dye wear over time. Care: soft cloth with mild soap, no ultrasonics, no steam cleaning, limit solvent exposure. -
What's the difference between impression jasper and aqua terra jasper?
The two names refer to the same material — dyed and stabilized magnesite or howlite in the jasper-family color register. Some catalogs use the names interchangeably; some separate them by color emphasis (aqua terra leaning toward the blue-aqua presentations specifically). Dakota stocks an 8-inch sub-collection under the aqua impression name to reflect the trade-name overlap. -
Where does impression jasper come from?
The active Dakota inventory sources from China, which is consistent with the broader bead trade for this variety. The rough (magnesite or howlite) is widely deposited; the dye-and-stabilize processing that produces "impression jasper" is concentrated in Chinese supply.