ncat AU001 Hyalite Opal, Ilmenite, Augite, Hedenbergite, Andesine, Alfredton, City of Ballarat, Victoria
Four pieces. Photo shows ilmenite on augite. Also present andesine and hedenbergite. Width of view 3mm. Stack of 50 images.
Hyalite Opal
25002 JR11 Sulphur, Hyalite Opal, Lake Rotokawa, Wairakei, Taupo District, Waikato Region, New Zealand
A cluster of sulphur crystals with globular hyalite opal. Width of view 7.75mm wide. Stack of 65 images. Click on the image below for a higher resolution version.
ncat JR10 Hyalite Opal, Lake Rotokawa, Wairakei, Taupo District, Waikato Region, New Zealand
Beads of hyalite on sinter. Width of view 6mm. Stack of 50 images. Click on the image below for a higher resolution version.
ncat OW310 Goethite after Hematite, Darke Peak, South Australia
Trigonal hematite crystals that have been completely replaced by goethite, with minor colourless hyalite opal. Ex Barry Schubert Collection. Width of view 8.63mm. Stack of 45 images. Click on the image below for a higher...
5802 Creedite, Opal, Monakoff Mine, Cloncurry, Cloncurry Shire, Queensland
Colourless prismatic creedite crystals with white and colourless hyalite opal. There is a slight hint of pink in the creedite above the main crystal group. Ex Graham Lee Collection. Width of view 11.5mm. Stack of...
ncat JP422 Agardite-(Y), Conichalcite, Chrysocolla, Hyalite, Ethiudna Mine, Plumbago, South Australia
Light green spheres of conichalcite with pale blue agardite and chrysocolla. Tiny spheres of hyalite opal on some of the agardite crystals. Ex Jo Price Collection. Width of view 5.75mm. Stack of 40 images. Click...
ncat VH498 Pyromorphite, Hyalite Opal, Black Star Open Cut, Mt Isa Mine, Queensland
White globular hyalite opal partially coating one of the greenish barrel-shaped pyromorphite crystals. The opal fluoresces white under longwave UV. Ex Val Hannah Collection. Width of view 19mm. Stack of 51 images. Click on the...
7447 JL3743 Hyalite Opal, Conichalcite, Dome Rock Copper Mine, Boolcoomata Station, Olary Province, South Australia
Collected by Joan Lamond in 2000 on a Victorian Mineralogical Society field trip.
40020 RH Hyalite Opal, Miners Rest Quarry, Miners Rest, City of Ballarat, Victoria
Ex Dick Haslam Collection
40018 RH Hyalite Opal, Miners Rest Quarry, Miners Rest, City of Ballarat, Victoria
An unusual shape! Reminiscent of a pipe, or a rugose coral, this hyalite opal has seeded on a prismatic augite crystal. Ex Dick Haslam Collection. Width of view 3.5mm. Stack of 30 images. Click on...
40003 RH Augite, Andesine, Hyalite Opal, Ilmenite, Colac Quarry, Ondit, Colac Otway Shire, Victoria
A fairly rough-looking white andesine crystal is perched on the end of a prismatic dark brown, almost black augite crystal. But wait there’s more. The top third of the augite crystal is coated by a...
40002 RH Hyalite Opal, Colac Quarry, Ondit, Colac Otway Shire, Victoria
Ex Dick Haslam Collection. Width of view 3.5mm. Stack of 60 images. Click on the image for a higher resolution one.
7395 JL1952 Hyalite Opal, Lake Rotokawa, Wairakei, Taupo District, Waikato Region, North Island, New Zealand
Acquired by Joan Lamond in 1995 from Judy Rowe.
7369 JL1705 Hyalite Opal, Trentham Falls, Trentham, Hepburn Shire, Victoria
Acquired by Joan Lamond in 1995 from Michael Hirst.
ncat WD113 Cassiterite, Hyalite, Erongo Mountains, Karibib, Erongo, Namibia
Nice sharp group of cassiterite crystals with a partial coating of fluorescent green hyalite opal. The hyalite fluoresces under longwave UV (Convoy) but is much brighter under shortwave. The green fluorescence is due to uranyl...
