Minerals

Scholzite – Reaphook Hill [Martin Wells Station] Flinders Range, South Australia.

Regarded as a rare, sought after mineral first described from this location.

Named after mineralogist and chemist Adolph Scholz [1894-195] by Hugo. Stunz who in turn settled on its correct chemical composition and structure.

A calcium, zinc phosphate in the form of delicate, prismatic crystals. Often and here arranged in what is sometimes called a jackstraw pattern.

A nice size and structure, weighing 290 gm and measuring 12cm by 10cm by 7cm.

Scholzite from the Flinders range

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$90.00

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Australian Desert Rose – Gypsum.

A super example of a Gypsum desert rose dug out of the dry lakebed at Woolcunda Station, Coomba, NSW. The location is 125 km south of Broken Hill.

Iron oxide in the sand gives this example its colouring but it’s the special formation of the crystals [formed by infrequent leaching when the rains actually come] that makes this example special.

A very good size for display, weighing 570 gm and measuring 16cm by 12cm by 7cm.

Desert Rose with a very attractive structure.

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$90.00

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Stilbite – Western India – ex Werner Hoch Collection

A sizeable and attractive lump of stilbite from Vaijapur, Aurangabad District, Maharashtra, India.

We are told from whence it came that it was originally part of the Verner Hoch collection, the main part of which is now in the Natural History Museum, Vienna.

Stilbite [after Greek – stilbein “to shine”] is a tectosilicate part of the zeolite group of minerals. Formed often in a basaltic volcanic environment.

This example is characteristic of it’s found location [it takes various forms in different parts of the World – Iceland, Scotland etc]. Here we have a peach/ pink hue and a translucent characteristic. The large form is often described as a “bow tie” and you can see why. This is a particularly good example with larger forms sitting on a bed of crystals on the host structure.

13cm by 8cm by 6cm weighing 330gm.

Super example of Stilbite with dominant bow-tie structure – nice hue

$95.00

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Rocks and Minerals of Australia – Oliver Chalmers

Published by Methuen in Australia a first edition 1976. Very good condition. 246 pages with lots of images, diagrams and maps. And with the striking Crocoite on the front board – see our examples on this website.

Or favourite “Observer Book” part of an Australian contribution to the series. A serious miniature work on the subject and the source of much of Voyager’s knowledge.

The detailed maps at the end and connectivity to the narrative open up the enormous subject to the newcomer

An expert in a day!

$30.00

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Australian Mineral Specimen – Tasmanian Crocoite

The mineral emblem of Tasmania the rare and beautiful Crocoite.

A sparkling example with large dense crystals of a very even strong colour. A super example, cased to preserve its beauty

Get some Crocoite in Your Life!!

$120.00

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Queensland Fossil Plants – Dicotyledon and Others – Redbank Plains Formation – 45 Million Years

A nice slab of carbonaceous shale showing numerous preserved plants from the middle Eocene era – circa 45 million years ago – a period regraded as the “dawn of modern life”.

Fossils were found in the Redbank Plains area as early as 1900 by settlers. Most of the sites have been built out which makes the having of specimens all that more cherishable.

A good example 19.0cm by 16.0cm, 3.0cm deep, weighing 1,180gms

Earliest examples of Australian modern plants – if that makes sense.

$65.00

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Scholzite – Reaphook Hill [Martin Wells Station] Flinders Range, South Australia.

Australian Desert Rose – Gypsum.

Stilbite – Western India – ex Werner Hoch Collection

Rocks and Minerals of Australia – Oliver Chalmers

Australian Mineral Specimen – Tasmanian Crocoite

Queensland Fossil Plants – Dicotyledon and Others – Redbank Plains Formation – 45 Million Years

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