Ancient Glass Blog of The Allaire Collection


Posted in Uncategorized by Allaire Collection of Glass on November 29, 2020

It is with great pleasure that we dedicate these three posts to our daughter-in-law Tori Randall. Due to her interest and vast knowledge of rocks and minerals she has been our inspiration for writing these posts.

Aventurine Glass

Ancient Agate Patterned Glass (active link)

Ancient Glass That imitates Rock Crystal (active link)

Aventurine Clutha Glass Vase 130E


the Allaire Collection

Date: 1890           Height: 10 cm

Description: This mainly greenish concaved Clutha glass vase has embedded air bubbles, streaks of white and speckles of brown aventurine. Its type was patented in the 1890s by James Couper and Sons, Glasgow.  It may have been designed by Christopher Dresser or George Walton. Christopher Dresser in the 1880’s created a new “art glass” series for the manufacturer James Couper & Sons, located in Glasgow. Sold under the trade name “Clutha,” the ancient name of Glasgow’s river Clyde., Clutha was Dresser’s only experiment in glass design.

Remarks: Aventurine glass imitates the mineral by the same name. The glass is translucent with sparkling inclusions of gold, copper, or chromic oxide, first made in Venice in the 15th century.  In the Clutha vase example the aventurine glass is the golden brown streak throughout it.  In different light it is more pronounced.  The mineral Aventurine is a form of quartz (SiO₂), characterised by its translucency and the presence of platy mineral (minerals which develop a crystal form consisting of thin, leaf-like layers) inclusions that give a shimmering or glistening effect termed aventurescence.



Aventurine Gourd Vase, 2017.3.5. Corning Museum of Glass. Maker: Salviati & Company about 1880


Aventurine Gourd Vase. Copper colored aventurine glass, colorless glass with gold colored inclusions; optic-molded, blown, applied. Gourd shaped ribbed vase made from sparkling, copper colored aventurine glass. Wide spherical mouth, tapering to narrow neck, and widening to a drop-shaped base. The parison was dipped in a ridged optic mold, with slight twisting of the ridges visible around the mouth. Applied colorless glass with gold colored inclusions around the narrowest part of the neck, applied and pinched handles, and plain colorless applied thread base. The description is from the Corning Museum of Glass.


This is a active link video on how aventurine glass fragments can be used to make the above chalcedony glass cup. from the Corning Museum of Glass.


One Response

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  1. wynkin said, on November 29, 2020 at 11:59 am

    The first and last are amazing!

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