Judging quality
Genuine Namibian material has soft, slightly translucent blue with fine wavy white banding. Dyed blue agate is opaque, uniform and shows dye concentrated in the porous bands.
Chalcedony
Blue Lace Agate
Powder-blue banded chalcedony threaded with white lace, from a single small Namibian deposit that has been effectively mined out — which is why good material now costs multiples of what it did a decade ago.
Care
Hard and stable, though the color softens in long sun exposure. Water and cloth.
History & lore
The deposit was worked from the 1960s on the Ysterputs farm in southern Namibia; almost all lace agate in the world came from that one hillside.
Cultural history, recorded as tradition rather than as medical or scientific claim.
Common questions about Blue Lace Agate
- What is Blue Lace Agate?
- Powder-blue banded chalcedony threaded with white lace, from a single small Namibian deposit that has been effectively mined out — which is why good material now costs multiples of what it did a decade ago.
- How hard is Blue Lace Agate and what is it made of?
- Blue Lace Agate is a Chalcedony-family mineral with the composition SiO2. It crystallizes in the trigonal system and rates 6.5-7 on the Mohs hardness scale. It occurs in pale blue, sky blue, white, banded.
- Where does Blue Lace Agate come from?
- Notable localities for Blue Lace Agate include Ysterputs, Namibia, Malawi, South Africa.
- How do you tell good Blue Lace Agate from filler?
- Genuine Namibian material has soft, slightly translucent blue with fine wavy white banding. Dyed blue agate is opaque, uniform and shows dye concentrated in the porous bands.
- How do you care for Blue Lace Agate?
- Hard and stable, though the color softens in long sun exposure. Water and cloth.
See it in person
Photographs only go so far
Both rooms are open six days a week, and there is always someone happy to pull pieces out of the case so you can compare them under the light.