Ads
related to: australian chrysoprase beads for sale
Search results
Results From The WOW.Com Content Network
A water bag made from kangaroo skin was acquired by the Australian Museum in 1893. It originates from the Urania people of North-West, Queensland. [35] South Australian Museum: The South Australian Museum holds a wooden coolamon collected in 1971 by Robert Edwards.
Chrysoprase, chrysophrase or chrysoprasus is a gemstone variety of chalcedony (a cryptocrystalline form of silica) that contains small quantities of nickel. Its color is normally apple-green, but varies from turquoise -like cyan to deep green.
Chrysoprase. Chrysoprase (also spelled chrysophrase) is a green variety of chalcedony, which has been colored by nickel oxide. (The darker varieties of chrysoprase are also referred to as prase. However, the term prase is also used to describe green quartz and to a certain extent is a color-descriptor, rather than a rigorously defined mineral ...
The two can be distinguished with a Chelsea color filter, as chrome chalcedony will appear red, whilst chrysoprase will appear green. [4] [9] Chrome chalcedony (unlike chrysoprase) may also contain tiny black specks of chromite. [3] Chrome chalcedony is (together with agate, carnelian, chrysoprase, heliotrope, onyx and others) a variety of ...
Dispersion: 0.017 [1]: Ultraviolet fluorescence: Pink stones; inert to very weak red to violet in long and short wave [1]: Absorption spectra: Strong narrow band at 498 nm, and almost complete absorption of red down to 640 nm in blue and green stones; red and pink stones show lines at 458 and 451 nm, as well as a broad band in the green spectrum [1]
The Australian Museum's Cook Collection was acquired in 1894 when it was transferred from the Government of New South Wales.At that time it consisted of 115 artifacts collected on Captain James Cook's three voyages of discovery Throughout the Pacific Ocean, during the period 1768–1780, along with documents and memorabilia related to these voyages.