The phrase seems incompletes because that use of the preposition for is not usual. At least for us non-native speakers.

According to the Cambridge Dictionary

for [BECAUSE OF]

because of or as a result of something

Here is an example taken from the BBC web page

For suggests that the reason is given as an afterthought. It is never placed at the beginning of the sentence and is more characteristic of written, rather than spoken English:

I decided to stop the work I was doing - for it was very late and I wanted to go to bed.

After describing the contents of the corbeille that were burning, it's stated that they were of rare quality, the items contained in the corbeille, not the basket itself. He was burning silk and velvet gowns because the corbeille was of rare quality, it contained expensive items. Notice that whether the corbeille, the basket, is burnt or not is not relevant for the story.

The phrase seems incomplete because that use of the preposition for is not usual. At least for us non-native English speakers.

According to the Cambridge Dictionary

for [BECAUSE OF]

because of or as a result of something

Here is an example taken from the BBC web page

For suggests that the reason is given as an afterthought. It is never placed at the beginning of the sentence and is more characteristic of written, rather than spoken English:

I decided to stop the work I was doing - for it was very late and I wanted to go to bed.

After describing the contents of the corbeille that were burning, it's stated that they were of rare quality, the items contained in the corbeille, not the basket itself. He was burning silk and velvet gowns because the corbeille was of rare quality, it contained expensive items. Notice that whether the corbeille, the basket, is burnt or not is not relevant for the story.

The phrase seems incompletes because that use of the preposition for is not usual. At least for us non-native speakers.

According to the Cambridge Dictionary

for [BECAUSE OF]

because of or as a result of something

Here is an example taken from the BBC web page

For suggests that the reason is given as an afterthought. It is never placed at the beginning of the sentence and is more characteristic of written, rather than spoken English:

I decided to stop the work I was doing - for it was very late and I wanted to go to bed.

After describing the contents of the corbeille that are burning, it's stated that they were of rare quality. He was burning silk and velvet gowns because the corbeille was of rare quality, it contained expensive items.

The phrase seems incompletes because that use of the preposition for is not usual. At least for us non-native speakers.

According to the Cambridge Dictionary

for [BECAUSE OF]

because of or as a result of something

Here is an example taken from the BBC web page

For suggests that the reason is given as an afterthought. It is never placed at the beginning of the sentence and is more characteristic of written, rather than spoken English:

I decided to stop the work I was doing - for it was very late and I wanted to go to bed.

After describing the contents of the corbeille that were burning, it's stated that they were of rare quality, the items contained in the corbeille, not the basket itself. He was burning silk and velvet gowns because the corbeille was of rare quality, it contained expensive items. Notice that whether the corbeille, the basket, is burnt or not is not relevant for the story.