Search results: “Prehnite” – Page 2
Showing 16–30 of 73 results
- Rock 'n Slabs, Slabs
AUSSIE PREHNITE SLAB
AUSSIE PREHNITE SLAB
A beautiful, top grade Aussie Prehnite Slab. A super and unusual display piece. This material is an unusual green colour that is hard to capture in photos. They all look a little yellow but the piece is more green in person. This slab has been liquid glassed for a tough and glossy finish.texture.
Location:
Wave Hill, NT, Australia.Dimensions:
15cm x 8.5cm x 0.7cm, 208g.Prehnite: Ca2 Al2 Si3 O10(OH)2.
Calcium Aluminum Silicate Hydroxide.
SKU: B0113 - Rock 'n Slabs
AUSSIE PREHNITE SLAB THIN
AUSSIE PREHNITE SLAB THIN
Aussie Prehnite Slab Thin ready for making into a beautiful piece of jewellery. Stunning thin large piece with good translucency and slightly tumble polished. Prehnite is named after its discoverer Colonel Hendrik von Prehn. An attractive collection mineral that is occasionally used for ornamental stone purposes and jewellery. Its colour is a pleasant green and is at times quite unique to Prehnite. Typical formations are rather thick crusts with a rough or crystaline texture.
Location:
Wave Hill, Northern Territories, Australia.Dimensions:
10.1cm x 6.7cm x 0.4cm, 55g.Calcium Aluminum Silicate Hydroxide.
Prehnite: Ca2 Al2 Si3 O10(OH)2.
m Silicate Hydroxide.
SKU: B0109 - Crystals, Minerals of the World
PREHNITE CLUSTER
PREHNITE CLUSTER
A great Indian Prehnite Cluster for your collection. Prehnite is named after its discoverer Colonel Hendrik von Prehn. An attractive collection mineral that is occasionally used for ornamental stone purposes and jewelery. This particular specimen has the wonderful pale green green colour and prominent finger formations. The white little balls are Gyrolite and this specimen is mounted on a perspex pad for enhanced display.
Location:
Bombay Quarry, Mumbai District, Maharashtra, India.Dimensions:
9.1cm x 3.3cm x 8.4cm, 115g.Prehnite
Calcium Aluminum Silicate Hydroxide
Ca2 Al2 Si3 O10(OH)2.
SKU: n/a - Crystals, Minerals of the World
FLUORAPOPHYLLITE PREHNITE
FLUORAPOPHYLLITE PREHNITE
A lovely cluster of pastel green Prehnite with Fluorapophyllite crystals. Features Okenite balls on some of the crystals. My photos don’t do this specimen justice, it’s a really aesthetic piece with at least three different minerals and no matrix. 🙂
Location:
Bidiken, India.Dimensions:
9cm x 7cm x 5.5cm, 190g.SKU: MW5361 - Jade, Rock 'n Slabs, Rocks, Top Shelf
BLACK JADE NEPHRITE 01
Stunning Black Jade Nephrite 01 ready for slabbing or carving. This is genuine Black Nephrite Jade from Cowell. The grade is A grade and is very hard to come by, the grade comes from being a solid dark black with tight grain and no or minimal inclusions of material like white Tremolite specs. Colour is black, with a thin rind fading to green grey. This variant of jade is popular and is used, in particular, for carving into super-lustrous pendants and jewellery.
One of the toughest rocks on the planet. The Black colour is from an inclusion of Iron of up to 8%. The stone has two cut faces which makes it easy to hold in a vice for diamond saw cutting. The slight translucency that I can see is with a strong Jade torch. BLACK JADE NEPHRITE 01. This stuff is best polished with aluminium oxide then diamond to get the mirror finish. This particular piece will be bought for cutting into jewellery, as a mineral specimen or as an appreciating asset. This grade of Jade only goes up in price as time goes by.
Location:
Cowell, South Australia, Australia.Dimensions:
10.4cm x 9.2cm x 4.5cm, 603g.JADE NEPHRITE BLOCK
SKU: D1405-1 - Jade
AUSSIE NEPHRITE JADE ROUGH 06
Aussie Nephrite Jade Rough 06 ready for a crafts person to carve or make jewellery with. This is genuine true nephrite jade from Cowell, South Australia (where the best Black Jade in the world comes from). This variant of jade is becoming more scarce and is used, in particular, for carving into super-lustrous pendants and jewellery. One of the toughest rocks on the planet. The Black colour is from an inclusion of Iron of up to 8%. This particular rock is Black Jade in a corner triangle shape, would suit carving into cabs or guitar picks or a few small Black Jade Pendants.
Some pics are with wet and dry stone to show the quality of colour and reflection. This stone is best polished with aluminium oxide then diamond to get the mirror finish.
Location:
Cowell, South Australia, Australia.Dimensions:
4cm x 4cm x 4cm, 136g.TOP BLACK JADE ROUGH
SKU: J23NJR06 - Jade, Rock 'n Slabs, Slabs, Slabs
AUSSIE NEPHRITE JADE SLAB 04
Aussie Nephrite Jade Slab 04 ready for a crafts person to carve or make jewellery with. This is genuine true nephrite jade from Cowell, South Australia (where the best Black Jade in the world comes from). This variant of jade is becoming more scarce and is used, in particular, for carving into super-lustrous pendants and jewellery. One of the toughest rocks on the planet. The Black colour is from an inclusion of Iron of up to 8%.
Some pics are with wet and dry stone to show the quality of colour and reflection. You can see the green from a strong jade torch. This stone is best polished with aluminium oxide then diamond to get the mirror finish.
Location:
Cowell, South Australia, Australia.Dimensions:
12cm x 5cm x 0.9cm, 128g.TOP BLACK JADE ROUGH
SKU: J23NJS04 - Jade, Rock 'n Slabs, Slabs, Slabs
AUSSIE NEPHRITE JADE SLAB 02
Aussie Nephrite Jade Slab 02 ready for a crafts person to carve or make jewellery with. This is genuine true nephrite jade from Cowell, South Australia (where the best Black Jade in the world comes from). This variant of jade is becoming more scarce and is used, in particular, for carving into super-lustrous pendants and jewellery. One of the toughest rocks on the planet. The Black colour is from an inclusion of Iron of up to 8%.
Some pics are with wet and dry stone to show the quality of colour and reflection. You can see the green from a strong jade torch. This stone is best polished with aluminium oxide then diamond to get the mirror finish.
Location:
Cowell, South Australia, Australia.Dimensions:
11cm x 5.5cm x 0.65cm, 89g.TOP BLACK JADE ROUGH
SKU: J23NJS02 - Jade, Rock 'n Slabs, Slabs, Slabs
AUSSIE NEPHRITE JADE SLAB 03
Aussie Nephrite Jade Slab 03 ready for a crafts person to carve or make jewellery with. This is genuine true nephrite jade from Cowell, South Australia (where the best Black Jade in the world comes from). This variant of jade is becoming more scarce and is used, in particular, for carving into super-lustrous pendants and jewellery. One of the toughest rocks on the planet. The Black colour is from an inclusion of Iron of up to 8%.
Some pics are with wet and dry stone to show the quality of colour and reflection. You can see the green from a strong jade torch. This stone is best polished with aluminium oxide then diamond to get the mirror finish.
Location:
Cowell, South Australia, Australia.Dimensions:
14cm x 9cm x 0.95cm, 274g.TOP BLACK JADE ROUGH
SKU: J23NJS03 - Jade, Rock 'n Slabs, Slabs, Slabs
AUSSIE NEPHRITE JADE SLAB 01
Aussie Nephrite Jade Slab 01 ready for a crafts person to carve or make jewellery with. This is genuine true nephrite jade from Cowell, South Australia (where the best Black Jade in the world comes from). This variant of jade is becoming more scarce and is used, in particular, for carving into super-lustrous pendants and jewellery. One of the toughest rocks on the planet. The Black colour is from an inclusion of Iron of up to 8%.
Some pics are with wet and dry stone to show the quality of colour and reflection. You can see the green from a strong jade torch. This stone is best polished with aluminium oxide then diamond to get the mirror finish.
Location:
Cowell, South Australia, Australia.Dimensions:
13.5cm x 5cm x 0.6cm, 97g.TOP BLACK JADE ROUGH
SKU: J23NJS01 - Jade
AUSSIE NEPHRITE JADE ROUGH 05
Aussie Nephrite Jade Rough 05 ready for a crafts person to carve or make jewellery with. This is genuine true nephrite jade from Cowell, South Australia (where the best Black Jade in the world comes from). This variant of jade is becoming more scarce and is used, in particular, for carving into super-lustrous pendants and jewellery. One of the toughest rocks on the planet. The Black colour is from an inclusion of Iron of up to 8%. This is one of the specimens from a lot of 1000kg. Some you can still see the old mine grading marks with the grade and initials of the person who graded it. When we procured this lot we were told it came out of an old rusted out container from the 70’s.
Some pics are with wet and dry stone to show the quality of colour and reflection. This stone is best polished with aluminium oxide then diamond to get the mirror finish. This block has two parallel cut faces and will hold easily in a vice for slabbing. Some slight hints of Chatoyant form.
Location:
Cowell, South Australia, Australia.Dimensions:
17cm x 9cm x 9.5cm, 2952g.JADE ROUGH
SKU: J23NJR05 - Jade
AUSSIE NEPHRITE JADE ROUGH 03
Aussie Nephrite Jade Rough 03 ready for a crafts person to carve or make jewellery with. This is genuine true nephrite jade from Cowell, South Australia (where the best Black Jade in the world comes from). This variant of jade is becoming more scarce and is used, in particular, for carving into super-lustrous pendants and jewellery. One of the toughest rocks on the planet. The Black colour is from an inclusion of Iron of up to 8%. This is one of the specimens from a lot of 1000kg. Some you can still see the old mine grading marks with the grade and initials of the person who graded it. When we procured this lot we were told it came out of an old rusted out container from the 70’s.
Some pics are with wet and dry stone to show the quality of colour and reflection. This stone is best polished with aluminium oxide then diamond to get the mirror finish.
Location:
Cowell, South Australia, Australia.Dimensions:
12.5cm x 8cm x 7.2cm, 1080g.SKU: J23NJR03 - Jade
AUSSIE NEPHRITE JADE ROUGH 04
Aussie Nephrite Jade Rough 04 ready for a crafts person to carve or make jewellery with. This is genuine true black nephrite jade from Cowell, South Australia (where the best Black Jade in the world comes from). This variant of jade is becoming more scarce and is used, in particular, for carving into super-lustrous pendants and jewellery. One of the toughest rocks on the planet. The Black colour is from an inclusion of Iron of up to 8%. This is one of the specimens from a lot of 1000kg. Some you can still see the old mine grading marks with the grade and initials of the person who graded it. When we procured this lot we were told it came out of an old rusted out container from the 70’s.
Some pics are with wet and dry stone to show the quality of colour and reflection. This stone is best polished with aluminium oxide then diamond to get the mirror finish. Good Black Jade with some inclusions and a few grain lines.
Location:
Cowell, South Australia, Australia.Dimensions:
7.1cm x 7.6cm x 5.3cm, 390g.BLACK JADE ROUGH
SKU: J23NJR04 - Jade
AUSSIE NEPHRITE JADE ROUGH 02
Aussie Nephrite Jade Rough 02 ready for a crafts person to carve or make jewellery with. This is genuine true nephrite jade from Cowell, South Australia (where the best Black Jade in the world comes from). This variant of jade is becoming more scarce and is used, in particular, for carving into super-lustrous pendants and jewellery. One of the toughest rocks on the planet. The Black colour is from an inclusion of Iron of up to 8%. This is one of the specimens from a lot of 1000kg. Some you can still see the old mine grading marks with the grade and initials of the person who graded it. When we procured this lot we were told it came out of an old rusted out container from the 70’s.
Some pics are with wet and dry stone to show the quality of colour and reflection. This stone is best polished with aluminium oxide then diamond to get the mirror finish.This is a rough square block with one cut face, makes easy to hold in vice for slabbing. The colour is near black with a few grain lines. Some slight hints of Chatoyant form.
Location:
Cowell, South Australia, Australia.Dimensions:
15cm x 11.5cm x 11cm, 4336g.JADE ROUGH
SKU: J23NJR02