Not All Glass is Created Equal




Article by: Martin Swinton

Pressed glass, , Window Treatments add Style to your Windows Depression glass , Hiring a Designer for Your Kitchen Remodeling Project and crystal "” this month we'll review the basics of these different types of glass , Interior Decorating Themes – What’s Your Decorating Style? and some tips , The Furniture Style Of Thomas Chippendale on telling the difference.

History

Glass was first recorded being made in ancient Rome, Egypt and Syria. It was made by heating and fusing sand, , Hiring a Designer for Your Kitchen Remodeling Project potash or soda with lime.

Types of Glass

Soda glass, , The Furniture Style Of Thomas Chippendale potash glass , Discount Dining Room Furniture and lead glass , Dewinterizing Your Home to Welcome Spring are the three main types of glass. , How to Clean Mini Blinds

Soda glass

Starting in the 13th century, soda glass , A Look at Tropical Ceiling Fans was made in Venice. Glassmakers were able to form molten glass , Patio Furniture Extend Your Living Quarters into elaborate shapes because it contained burned seaweed, making the glass , Cuckoo Clocks And Timeless Memories very malleable.

Potash glass

Potash glass , Scented Pillar Candles Great For Decorating Any Room Of The Home came from northern Europe. Potash was made from a combination of burned wood , The Furniture Style Of Thomas Chippendale and bracken making the glass , Choosing An Interior Decorator well suited for engraving and cutting.

Lead glass , Kitchen Table Dining Nook-A Perfect Addition to Any Kitchen (crystal, lead crystal)

Starting in Europe in the 17th century, lead glass , Choosing Paint Colours for a Neutral Colour Scheme was developed. It was derived from adding lead oxide to potash glass. , The Benefits of Hanging Wine Racks The words lead glass, , Choosing An Interior Decorator lead crystal and crystal all mean the same thing. Crystal is simply a type of glass. , Cuckoo Clocks And Timeless Memories It is the addition of lead to mix that makes crystal harder than regular glass. , A Look at Plantation Shutters Crystal is less likely to have bubbles, which is helpful when cutting

Pressed glass

Popularized during the Victoria era, pressed glass , A Look at Plantation Shutters is made from a mould and is less valuable than cut glass. , A Luxury Featherbed Delivers The Ultimate Sleep Experience . You can identify pressed glass , Wholesale Carpet: Great Way To Save Money from the mould line that is visible and the less sharply faceted decoration.

Depression glass

Popularized during the Great Depression, companies such as Hocking Glass, , Dewinterizing Your Home to Welcome Spring Federal and MacBeth-Evans mass-produced this form of pressed glassware. It was often given away free as a gift with purchase. There are many colours , A Tisket a Tasket...9 Ways to Decorate With Baskets and patterns available.

Decoration on glass

There are four types of decorations used to adorn glass: cutting, enamelling, gilding and engraving.

Cutting

Facets cut into glass , Small Business Marketing Plans reflect light , How to Frame Art and create sparkle. One tip , Window Treatments add Style to your Windows to help date a piece of glass , Dewinterizing Your Home to Welcome Spring is to look for shallow surface cuts which were used in the earliest days of glass , Luau! Decorating with a Hawaiian Theme cutting.

Enamelling

In the 15th century, the Venetians popularized the enamelling of glass , Smarten Your Interiors that is a process of painting , How to Frame Art on glass. , Discount Kids Furniture: Great Value for Less Money

Gilding

It is a technique of adding gold decoration to glass , Luau! Decorating with a Hawaiian Theme that was often done by firing the gold onto a glass , Decorating Your Teens Bedroom surface.

Engraving

It was done by diamond point engraving (scratching the design , Hiring a er for Your Kitchen Remodeling Project onto the surface of the glass , A Look at Plantation Shutters using a diamond nib), wheel engraving (scratching the design , Mini Blinds: An Introduction on the surface of the glass , Interior Decorating Themes – What’s Your Decorating Style? using small copper , Bathroom Decorating wheels rotating against the surface) stipple engraving (scratching the design , Mini Blinds: An Introduction onto the surface of the glass , Vinyl Mini Blinds using fine diamond needle that taps out the design , Smarten Your Interiors in a series of dots and lines) or acid etching (scratching the design , A Luxury Featherbed Delivers The Ultimate Sleep Experience . on the surface of glass , Bathroom Decorating using a sharp tool , Tips For Bathroom Design then subjecting the glass , Small Business Marketing Plans to hydrofluoric acid which etched the design , Bring the Warmth and Comfort into your Home Decor onto the glass).

How to tell crystal from cut glass

Weight is the number one tip-off that something is crystal rather than glass. , How to Choose Color Schemes for Your Rooms' Decor and Window Coverings The lead in crystal makes it is heavier than cut glass. , Discount Dining Room Furniture The telltale ping when you flick your fingernail against crystal is another way to tell crystal from glass. , Why A Mattress Pad Matters

Why is modern-day crystal less brilliant than antique crystal

Crystal made in the early 1900s contains about 25 to 28 percent lead. Modern crystal contains only 10 to 12 percent lead. This reduction in the lead content makes modern crystal less brilliant than antique crystal.

How to tell if it is early glass

Old engraving will look dark and grey against a white , Choosing Paint Colours for a Neutral Colour Scheme background. New glass , Dewinterizing Your Home to Welcome Spring engraving will not look grey against a white , The Cost of Granite Countertops background.

Spotting reproductions

There are many reproductions circulating because modern glassmakers made imitations of 18th century glass. , A Luxury Featherbed Delivers The Ultimate Sleep Experience . There is nothing wrong with reproductions as long as you know that is what you are buying. You can spot reproductions three ways:

Colour

Reproductions may not have the distinctive tint caused by natural , Luau! Decorating with a Hawaiian Theme occurring impurities. Use the white , Dewinterizing Your Home to Welcome Spring background test; if the engraving looks grey against the white, , The Cost of Granite Countertops the item is likely to be old.

Manufacturing signs

Machine-made glass , Small Business Marketing Plans will not have the rough bump under the stem that hand-blown glass , Stylish Comfort: Modern Sofa Trends will have. This bump results from the item being removed from the glassblower's rod. Also, hand-blown glass , A Look at Picnic Gift Baskets might have imperfections such as uneven thickness, ripples or striations that machine-made glass , Silk Tree Rentals does not have.

Proportions

Styles and proportions have varied over the years. One thing to look for is that the foot on antique glass , Details of Fake Antique Furniture is often as wide as the bowl.

Value

Glass and crystal are one collectible where the secondary market is more affordable than the primary market. The reason is supply and demand. Plenty of crystal was made over the years, plenty of people took good care of it, and, as a result plenty of it is still around.
EzineArticles Expert Author Martin Swinton
Martin Swinton owns Take-A-Boo Emporium, an antique shop located in Toronto, Canada. He does furniture , Choosing An Interior Decorator restoration, caning and rushing repairs, , Luau! Decorating with a Hawaiian Theme custom reproductions, upholstery, teaches courses on antiques and does appraisals for estates and community events. He can be reached at 416-785-4555 or by visiting http://www.takeaboo.com

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